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SAT Prep Course
Introduction to the SAT
01 About This Course 1 (0:34)
02 About This Course 2 (0:32)
03 About This Course 3 (0:38)
04 What Does the SAT Measure 1 (0:21)
05 What Does the SAT Measure 2 (0:45)
06 Format of the SAT (0:19)
07 Pacing 1 (0:33)
08 Pacing 2 (0:21)
09 Scoring the SAT 1 (0:22)
10 Scoring the SAT 2 (0:34)
11 Scoring the SAT 3 (0:16)
12 Skipping and Guessing (0:37)
13 Order of Difficulty (0:35)
14 The PSAT (0:18)
15 The “2 out of 4” Rule (0:32)
16 How to Use this Course 1 (0:27)
17 How to Use this Course 2 (0:13)
18 Questions and Answers 1 (0:30)
19 Questions and Answers 2 (0:32)
20 Questions and Answers 3 (0:16)
Math Orientation
21 Format of the Math Section (0:21)
22 Level of Difficulty 1 (0:54)
23 Level of Difficulty 2 (0:30)
24 Level of Difficulty 3 (0:27)
25 Level of Difficulty 4 (0:17)
26 Directions and Reference Material 1 (0:20)
27 Directions and Reference Material 2 (0:33)
28 Directions and Reference Material 3 (0:39)
29 Directions and Reference Material 4 (0:34)
30 Directions and Reference Material 5 (0:22)
31 Directions and Reference Material 6 (0:49)
Substitution
32 Substitution 1 (0:18)
33 Substitution Example 1 (0:48)
34 Substitution 2 (0:21)
35 Substitution Example 2 (1:15)
36 Substitution Example 3 (1:56)
37 Substitution Problem 1 (0:48)
38 Substitution Problem 2 (0:49)
39 Substitution Problem 3 (0:36)
40 Substitution Problem 4 (1:02)
41 Substitution Problem 5 (0:55)
42 Substitution Problem 6 (2:09)
43 Substitution Problem 7 (0:48)
44 Substitution Problem 8 (0:59)
45 Substitution Problem 9 (1:29)
46 Substitution Problem 10 (1:00)
Substitution Plugging In
47 Substitution Plugging In (0:13)
48 Substitution Plugging In Example (1:12)
49 Substitution Plugging In Problem 1 (0:37)
50 Substitution Plugging In Problem 2 (0:40)
51 Substitution Plugging In Problem 3 (0:29)
52 Substitution Plugging In Problem 4 (0:43)
53 Substitution Plugging In Problem 5 (1:08)
54 Substitution Plugging In Problem 6 (0:46)
Defined Functions
55 Defined Functions 1 (1:21)
56 Defined Functions Example 1 (0:28)
57 Defined Functions Example 2 (0:57)
58 Defined Functions Example 3 (0:59)
59 Defined Functions 2 (0:35)
60 Defined Functions Example 4 (1:11)
61 Defined Functions Example 5 (1:16)
62 Defined Functions Example 6 (3:36)
63 Defined Functions Example 7 (1:05)
64 Defined Functions Example 8 (1:55)
65 Defined Functions Example 9 (0:49)
66 Defined Functions Problem 1 (0:26)
67 Defined Functions Problem 2 (0:53)
68 Defined Functions Problem 3 (0:32)
69 Defined Functions Problem 4 (1:45)
70 Defined Functions Problem 5 (0:57)
71 Defined Functions Problem 6 (1:09)
72 Defined Functions Problem 7 (1:15)
73 Defined Functions Problem 8 (1:05)
74 Defined Functions Problem 9 (1:14)
75 Defined Functions Problem 10 (0:51)
76 Defined Functions Problem 11 (2:14)
77 Defined Functions Problem 12 (0:50)
78 Defined Functions Problem 13 (0:41)
79 Defined Functions Problem 14 (1:18)
80 Defined Functions Problem 15 (1:39)
Functions
85 Definition of a Function 1 (0:50)
86 Definition of a Function 2 (0:53)
87 Domain and Range 1 (0:21)
88 Domain and Range 2 (0:55)
89 Domain and Range 3 (0:40)
90 Graphs 1 (0:38)
91 Graphs 2 (0:42)
92 Translations of Graphs 1 (1:01)
93 Translations of Graphs 2 (0:23)
94 Translations of Graphs 3 (0:30)
95 Translations of Graphs 4 (0:28)
96 Translations of Graphs 5 (0:47)
97 Translations of Graphs 6 (0:50)
98 Reflections of Graphs 1 (0:53)
99 Reflections of Graphs 2 (0:31)
100 Reflections of Graphs 3 (0:35)
101 Reflections of Graphs 4 (0:23)
102 Reflections of Graphs 5 (0:44)
103 Reflections of Graphs 6 (0:15)
104 Reflections of Graphs 7 (0:44)
105 Reflections of Graphs 8 (0:29)
106 Evaluation and Composition of Functions 1 (0:52)
107 Evaluation and Composition of Functions 2 (0:36)
108 Evaluation and Composition of Functions 3 (0:20)
109 Evaluation and Composition of Functions 4 (0:47)
110 Evaluation and Composition of Functions 5 (0:56)
111 Evaluation and Composition of Functions 6 (1:36)
112 Evaluation and Composition of Functions Example (1:07)
113 Quadratic Functions 1 (0:40)
114 Quadratic Functions 2 (0:14)
115 Quadratic Functions 3 (0:07)
116 Quadratic Functions 4 (0:30)
117 Quadratic Functions 5 (0:59)
118 Quadratic Functions Example 2 (1:40)
119 Qualitative Behavior of Graphs and Functions (0:26)
120 Qualitative Behavior of Graphs and Functions Example (0:33)
121 Functions as Models of Real-Life Situations (0:20)
122 Functions as Models of Real-Life Situations Example 4 (0:40)
123 Functions Problem 1 (0:39)
124 Functions Problem 2 (1:22)
125 Functions Problem 3 (1:05)
126 Functions Problem 4 (1:29)
127 Functions Problem 5 (0:40)
128 Functions Problem 6 (1:11)
129 Functions Problem 7 (4:00)
130 Functions Problem 8 (1:23)
Math Notes
131 Math Notes 1 (0:49)
132 Math Notes 2 (0:38)
133 Math Notes 3 (1:31)
134 Math Notes 4 (0:58)
135 Math Notes 5 (0:30)
136 Math Notes 6 (1:05)
137 Math Notes 7 (0:57)
138 Math Notes 8 (1:00)
139 Math Notes Example 1 (0:50)
140 Math Notes 9 (0:47)
141 Math Notes 10 (0:26)
142 Math Notes 11 (0:36)
143 Math Notes 12 (0:37)
144 Math Notes Example 2 (0:28)
145 Math Notes 13 (0:33)
146 Math Notes 14 (0:22)
147 Math Notes 15 (0:53)
148 Math Notes 16 (0:39)
149 Math Notes 17 (0:57)
150 Math Notes 18 (1:40)
151 Math Notes Problem 1 (0:53)
152 Math Notes Problem 2 (0:51)
153 Math Notes Problem 3 (0:38)
154 Math Notes Problem 4 (1:00)
155 Math Notes Problem 5 (0:25)
156 Math Notes Problem 6 (0:56)
157 Math Notes Problem 7 (0:48)
158 Math Notes Problem 8 (1:15)
159 Math Notes Problem 9 (1:31)
160 Math Notes Problem 10 (1:34)
Number Theory
161 Number Theory 1 (0:56)
162 Number Theory Example 1 (1:08)
162b Number Theory Example 2 (1:08)
163 Number Theory 2 (0:48)
164 Number Theory 3 (1:01)
165 Number Theory Example 2 (1:25)
166 Number Theory 4 (1:34)
167 Number Theory 5 (0:36)
168 Number Theory 6 (0:38)
169 Number Theory 7 (0:38)
170 Number Theory 8 (1:00)
171 Number Theory 9 (1:10)
172 Number Theory 10 (1:32)
173 Number Theory 11 (0:38)
174 Number Theory 12 (1:08)
175 Number Theory 13 (0:23)
176 Number Theory 14 (0:23)
177 Number Theory 15 (0:25)
178 Number Theory 16 (0:26)
179 Number Theory 17 (0:33)
180 Number Theory Example 3 (1:30)
181 Number Theory Example 4 (0:30)
182 Number Theory Example 5 (0:57)
183 Number Theory Problem 1 (2:39)
184 Number Theory Problem 2 (0:35)
185 Number Theory Problem 3 (0:38)
186 Number Theory Problem 4 (1:29)
187 Number Theory Problem 5 (1:43)
188 Number Theory Problem 6 (0:42)
189 Number Theory Problem 7 (0:46)
190 Number Theory Problem 8 (1:53)
191 Number Theory Problem 9 (1:40)
192 Number Theory Problem 10 (0:34)
Geometry
193 Geometry Lines and Angles 1 (0:24)
194 Geometry Lines and Angles 2 (0:44)
195 Geometry Lines and Angles 3 (0:43)
196 Geometry Lines and Angles 4 (0:24)
197 Geometry Lines and Angles Example 1 (0:58)
198 Geometry Lines and Angles Example 2 (0:34)
199 Geometry Lines and Angles 5 (0:25)
200 Geometry Lines and Angles 6 (0:42)
201 Geometry Lines and Angles 7 (0:28)
202 Geometry Triangles 1 (0:32)
203 Geometry Triangles 2 (0:30)
204 Geometry Triangles Example 1 (1:25)
205 Geometry Triangles 3 (0:24)
206 Geometry Triangles 4 (0:25)
207 Geometry Triangles 5 (0:55)
208 Geometry Triangles 6 (1:09)
209 Geometry Triangles Example 2 (0:40)
210 Geometry Triangles 7 (0:33)
211 Geometry Quadrilaterals 1 (1:16)
212 Geometry Quadrilaterals Example (0:52)
213 Geometry Quadrilaterals 2 (0:20)
214 Geometry Quadrilaterals 3 (0:35)
215 Geometry Volume (0:45)
216 Geometry Volume Example (1:08)
217 Geometry Circles 1 (0:46)
218 Geometry Circles 2 (0:33)
219 Geometry Circles 3 (0:26)
220 Geometry Circles 4 (0:17)
221 Geometry Circles Example (1:08)
222 Shaded Regions (0:10)
223 Shaded Regions Example 1 (0:32)
224 Shaded Regions Example 2 (1:07)
225 Geometry 'Birds-Eye' View (0:19)
226 Geometry 'Birds-Eye' View Example (0:30)
227 Geometry Extreme Cases (0:09)
228 Geometry Extreme Cases Example 1 (0:41)
229 Geometry Extreme Cases Example 2 (0:42)
230 Geometry Eye-Balling (0:28)
231 Geometry Eye-Balling Example1 (0:17)
232 Geometry Eye-Balling Example2 (1:00)
233 Geometry Problem 1 (0:41)
234 Geometry Problem 2 (0:58)
235 Geometry Problem 3 (1:11)
236 Geometry Problem 4 (1:12)
237 Geometry Problem 5 (0:44)
238 Geometry Problem 6 (1:06)
239 Geometry Problem 7 (0:45)
240 Geometry Problem 8 (1:03)
241 Geometry Problem 9 (1:33)
242 Geometry Problem 10 (0:55)
243 Geometry Problem 11 (1:00)
244 Geometry Problem 12 (1:31)
245 Geometry Problem 13 (0:29)
246 Geometry Problem 14 (1:01)
247 Geometry Problem 15 (1:16)
248 Geometry Problem 16 (1:47)
249 Geometry Problem 17 (0:54)
250 Geometry Problem 18 (1:05)
251 Geometry Problem 19 (1:38)
252 Geometry Problem 20 (1:09)
Coordinate Geometry
253 Coordinate Geometry Introduction 1 (0:19)
254 Coordinate Geometry Introduction 2 (1:03)
255 Coordinate Geometry Introduction 3 (0:38)
256 Coordinate Geometry Introduction 4 (0:30)
257 Coordinate Geometry Introduction Example (0:35)
258 Distance Formula (0:49)
259 Distance Formula Example (0:34)
260 Midpoint Formula (0:23)
261 Midpoint Formula Example (0:37)
262 Slope Formula (0:37)
263 Slope Formula Example (0:28)
264 Slope-Intercept Form (0:46)
265 Slope-Intercept Form Example (0:59)
266 Intercepts (0:24)
267 Intercepts Example (0:37)
268 Areas and Perimeters (0:26)
269 Areas and Perimeters Example 1 (0:43)
270 Areas and Perimeters Example 2 (0:55)
271 Coordinate Geometry Problem 1 (0:30)
272 Coordinate Geometry Problem 2 (1:24)
273 Coordinate Geometry Problem 3 (0:37)
274 Coordinate Geometry Problem 4 (0:54)
275 Coordinate Geometry Problem 5 (0:41)
276 Coordinate Geometry Problem 6 (1:11)
277 Coordinate Geometry Problem 7 (0:20)
278 Coordinate Geometry Problem 8 (1:27)
279 Coordinate Geometry Problem 9 (1:08)
280 Coordinate Geometry Problem 10 (1:13)
Elimination Strategies
281 Elimination Strategies 1 (0:40)
282 Elimination Strategies 2 (0:25)
283 Elimination Strategies 3 (0:29)
284 Elimination Strategies 4 (0:35)
285 Elimination Strategies 5 (0:22)
286 Elimination Strategies Problem 1 (0:27)
287 Elimination Strategies Problem 2 (1:26)
288 Elimination Strategies Problem 3 (0:33)
289 Elimination Strategies Problem 4 (1:10)
290 Elimination Strategies Problem 5 (2:04)
Inequalities
291 Inequalities Introduction (1:02)
292 Positive and Negative Numbers 1 (1:18)
293 Positive and Negative Numbers 2 (1:16)
294 Positive and Negative Numbers Example (1:00)
295 Absolute Value (1:55)
296 Absolute Value Example (1:11)
297 Higher Order Inequalities 1 (2:02)
298 Higher Order Inequalities 2 (0:34)
299 Transitive Property (0:30)
300 Transitive Property Example (1:31)
301 Like Inequalities Can Be Added (0:28)
302 Like Inequalities Can Be Added Example (0:49)
303 Inequalities Problem 1 (1:01)
304 Inequalities Problem 2 (1:17)
305 Inequalities Problem 3 (0:50)
306 Inequalities Problem 4 (0:53)
307 Inequalities Problem 5 (1:01)
308 Inequalities Problem 6 (0:35)
309 Inequalities Problem 7 (1:38)
310 Inequalities Problem 8 (1:08)
311 Inequalities Problem 9 (1:16)
Fractions and Decimals
312 Fractions Introduction (1:52)
313 Fractions Cross-Multiplying (0:32)
314 Fractions Cross-Multiplying Example (0:27)
315 Fractions Lowest Terms (0:24)
316 Fractions Lowest Terms Example (0:51)
317 Fractions Solving by Multiplying by the LCD (0:09)
318 Fractions Solving by Multiplying by the LCD Example (1:45)
319 Fractions Complex (0:41)
320 Fractions Complex Example 1 (0:52)
321 Fractions Complex Example 2 (0:49)
322 Fractions Multiplying (0:27)
323 Fractions Adding by Cross-multiplying (0:15)
324 Fractions Adding by Cross-multiplying Example 1 (0:33)
325 Fractions Adding by Cross-multiplying Example 2 (1:02)
326 Fractions Adding by Getting a Common Denominator (1:25)
327 Fractions Finding the Common Denominator (0:41)
328 Fractions Unusual Behavior (0:38)
329 Decimals Introduction (1:19)
330 Decimals Adding, Subtracting, Multiplying, Dividing (1:23)
331 Decimals Example 1 (1:14)
332 Decimals Example 2 (1:32)
333 Decimals Example 3 (0:51)
334 Fractions and Decimals Problem 1 (0:24)
335 Fractions and Decimals Problem 2 (0:50)
336 Fractions and Decimals Problem 3 (0:52)
337 Fractions and Decimals Problem 4 (0:36)
338 Fractions and Decimals Problem 5 (1:10)
339 Fractions and Decimals Problem 6 (1:04)
340 Fractions and Decimals Problem 7 (0:37)
341 Fractions and Decimals Problem 8 (0:47)
342 Fractions and Decimals Problem 9 (1:26)
343 Fractions and Decimals Problem 10 (1:17)
Equations
344 Equations PEMDAS (0:46)
345 Equations PEMDAS Example 1 (0:34)
346 Equations PEMDAS Example 2 (0:40)
347 Equations Properties of Equations 1 (1:09)
348 Equations Properties of Equations 2 (1:58)
349 Equations Solving for Expressions (0:17)
350 Equations Solving for Expressions Example (1:01)
351 Equations 'Triple' Equations (0:18)
352 Equations 'Triple' Equations Example (1:12)
353 Equations Adding Equations (0:13)
354 Equations Adding Equations Example (0:44)
355 Equations Method of Substitution (1:17)
356 Linear Equations as Models (0:38)
357 Linear Equations as Models Example (2:22)
358 Equations Problem 1 (0:26)
359 Equations Problem 2 (0:41)
360 Equations Problem 3 (1:00)
361 Equations Problem 4 (0:41)
362 Equations Problem 5 (1:17)
363 Equations Problem 6 (1:32)
364 Equations Problem 7 (0:46)
365 Equations Problem 8 (1:50)
366 Equations Problem 9 (1:03)
367 Equations Problem 10 (0:59)
Averages
368 Averages Definition (0:06)
369 Averages Definition Example (0:31)
370 Averages Weighted Average (0:37)
371 Averages Using an Average to Find a Number (0:09)
372 Averages Using an Average to Find a Number Example (1:22)
373 Averages Average Speed (0:05)
374 Averages Average Speed Example (1:19)
375 Averages Problem 1 (0:35)
376 Averages Problem 2 (1:00)
377 Averages Problem 3 (1:06)
378 Averages Problem 4 (0:56)
379 Averages Problem 5 (0:31)
380 Averages Problem 6 (0:57)
381 Averages Problem 7 (1:28)
382 Averages Problem 8 (1:14)
383 Averages Problem 9 (0:39)
384 Averages Problem 10 (1:43)
Ratio and Proportion
386 Ratio Introduction (0:54)
387 Ratio Introduction Example (0:37)
388 Proportion Introduction (0:19)
389 Proportion Direct Proportion (0:40)
390 Proportion Direct Proportion Example (0:55)
391 Proportion Direct Proportion Word Problems (0:13)
392 Proportion Direct Proportion Word Problems Example 1 (1:01)
393 Proportion Direct Proportion Word Problems Example 2 (0:46)
394 Proportion Order (0:40)
395 Proportion Inverse Proportion (0:42)
396 Proportion Inverse Proportion Word Problems (0:10)
397 Proportion Inverse Proportion Word Problems Example (0:43)
398 Proportion Summary (0:46)
399 Proportion Summary Example (1:29)
400 Ratio and Proportion Problem 1 (0:34)
401 Ratio and Proportion Problem 2 (1:04)
402 Ratio and Proportion Problem 3 (1:22)
403 Ratio and Proportion Problem 4 (0:35)
404 Ratio and Proportion Problem 5 (0:42)
405 Ratio and Proportion Problem 6 (0:50)
406 Ratio and Proportion Problem 7 (1:01)
407 Ratio and Proportion Problem 8 (0:57)
408 Ratio and Proportion Problem 9 (0:36)
409 Ratio and Proportion Problem 10 (0:39)
Exponents and Roots
410 Exponents Introduction (0:25)
411 Exponents The Rules 1 (1:17)
412 Exponents The Rules 2 (1:00)
413 Exponents The Rules Example 1 (0:41)
414 Exponents The Rules Example 2 (0:35)
415 Exponents The Rules Example 3 (0:41)
416 Roots 1 (1:31)
417 Roots 2 (0:41)
418 Roots 3 (1:04)
419 Roots 4 (0:49)
420 Roots 5 (0:43)
421 Roots 6 (0:59)
422 Roots 7 (1:07)
423 Roots 8 (0:14)
424 Roots Example 1 (0:43)
425 Roots Example 2 (0:55)
426 Roots Rationalizing (0:31)
427 Roots Rationalizing Example 1 (0:32)
428 Roots Rationalizing Example 2 (0:56)
429 Exponents and Roots Problem 1 (1:08)
430 Exponents and Roots Problem 2 (0:29)
431 Exponents and Roots Problem 3 (0:47)
432 Exponents and Roots Problem 4 (0:59)
433 Exponents and Roots Problem 5 (0:35)
434 Exponents and Roots Problem 6 (0:33)
435 Exponents and Roots Problem 7 (0:49)
436 Exponents and Roots Problem 8 (1:12)
437 Exponents and Roots Problem 9 (1:17)
438 Exponents and Roots Problem 10 (0:31)
Factoring
439 Factoring Introduction (0:17)
440 Factoring Distributive Rule (1:10)
441 Factoring Distributive Rule Example 1 (1:07)
442 Factoring Distributive Rule Example 2 (0:42)
443 Factoring Difference of Squares (0:12)
444 Factoring Difference of Squares Example (0:47)
445 Factoring Perfect Square Trinomials (0:33)
446 Factoring Perfect Square Trinomials Example (0:42)
447 Factoring General Trinomials (0:42)
448 Factoring General Trinomials Example (0:40)
449 Factoring Complete Factoring (1:03)
450 Factoring Problem 1 (0:47)
451 Factoring Problem 2 (0:51)
452 Factoring Problem 3 (1:10)
453 Factoring Problem 4 (1:27)
454 Factoring Problem 5 (1:30)
455 Factoring Problem 6 (0:39)
456 Factoring Problem 7 (0:44)
457 Factoring Problem 8 (0:54)
458 Factoring Problem 9 (1:14)
459 Factoring Problem 10 (1:08)
Algebraic Expressions
460 Algebraic Expressions Introduction (0:44)
461 Algebraic Expressions Adding and Subtracting (0:28)
462 Algebraic Expressions Commutative Property (0:48)
463 Algebraic Expressions Associative Property (0:36)
464 Algebraic Expressions Associative Property examples (0:29)
465 Algebraic Expressions Parentheses (0:43)
466 Algebraic Expressions Order of Operations - PEMDAS (1:07)
467 Algebraic Expressions Order of Operations - PEMDAS - Example (1:07)
468 Algebraic Expressions FOIL Multiplication (0:44)
469 Algebraic Expressions FOIL Multiplication Examples (0:31)
470 Algebraic Expressions Division (0:28)
471 Algebraic Expressions Division Example (0:30)
472 Algebraic Expressions Problem 1 (0:43)
473 Algebraic Expressions Problem 2 (1:12)
474 Algebraic Expressions Problem 3 (4:02)
475 Algebraic Expressions Problem 4 (1:18)
476 Algebraic Expressions Problem 5 (1:17)
477 Algebraic Expressions Problem 6 (1:12)
478 Algebraic Expressions Problem 7 (0:43)
479 Algebraic Expressions Problem 8 (0:59)
480 Algebraic Expressions Problem 9 (0:55)
481 Algebraic Expressions Problem 10 (1:19)
Percents
482 Percents 1 (0:30)
483 Percents 2 (0:31)
484 Percents 3 (0:31)
485 Percents 4 (0:29)
486 Percents 5 (0:27)
487 Percents 6 (0:06)
488 Percents 7 (0:06)
489 Percents Example 1 (0:38)
490 Percents Example 2 (0:31)
491 Percents Example 3 (0:32)
492 Percents Example 4 (1:06)
493 Percents 8 (0:17)
494 Percents Example 5 (0:47)
495 Percents Problem 1 (0:44)
496 Percents Problem 2 (1:04)
497 Percents Problem 3 (0:44)
498 Percents Problem 4 (0:28)
499 Percents Problem 5 (0:42)
500 Percents Problem 6 (0:43)
501 Percents Problem 7 (0:42)
502 Percents Problem 8 (0:36)
503 Percents Problem 9 (0:39)
504 Percents Problem 10 (1:15)
Data Analysis
505 Data Analysis Introduction (0:09)
506 Data Analysis Example 1 (0:37)
507 Data Analysis Example 2 (0:35)
508 Data Analysis Example 3 (0:56)
509 Data Analysis Example 4 (1:09)
510 Data Analysis Problem 1 (0:30)
511 Data Analysis Problem 2 (1:05)
512 Data Analysis Problem 3 (0:58)
513 Data Analysis Problem 4 (0:43)
514 Data Analysis Problem 5 (0:34)
515 Data Analysis Problem 6 (0:25)
516 Data Analysis Problem 7 (0:55)
517 Data Analysis Problem 8 (1:04)
518 Data Analysis Problem 9 (0:59)
519 Data Analysis Problem 10 (0:46)
Word Problems
520 Word Problems Translating Words into Mathematical Symbols 1 (1:47)
521 Word Problems Translating Words into Mathematical Symbols 2 (2:05)
522 Word Problems Translating Words into Mathematical Symbols 3 (0:37)
523 Word Problems Translating Words into Mathematical Symbols 4 (0:32)
524 Word Problems Translating Words into Mathematical Symbols 5 (0:36)
525 Motion Problems - Overtake (0:24)
526 Motion Problems - Overtake - Example (1:49)
527 Motion Problems - Opposite Directions (0:15)
528 Motion Problems - Opposite Directions - Example (1:25)
529 Motion Problems - Round Trip (0:07)
530 Motion Problems - Round Trip - Example (1:21)
531 Motion Problems - Compass Headings (0:11)
532 Motion Problems - Compass Headings - Example (2:08)
533 Motion Problems - Circular Motion (0:16)
534 Motion Problems - Circular Motion - Example 1 (0:59)
535 Motion Problems - Circular Motion - Example 2 (0:45)
536 Work Problems (0:19)
537 Work Problems Example 1 (0:59)
538 Work Problems Example 2 (1:02)
539 Mixture Problems (0:10)
540 Mixture Problems Example (1:02)
541 Coin Problems (0:09)
542 Coin Problems Example (0:46)
543 Age Problems (0:17)
544 Age Problems Example (0:47)
545 Interest Problems (0:26)
546 Interest Problems Example (1:04)
547 Word Problems Problem 1 (1:06)
548 Word Problems Problem 2 (1:14)
549 Word Problems Problem 3 (0:20)
550 Word Problems Problem 4 (0:54)
551 Word Problems Problem 5 (0:26)
552 Word Problems Problem 6 (1:38)
553 Word Problems Problem 7 (0:55)
554 Word Problems Problem 8 (1:11)
555 Word Problems Problem 9 (0:48)
556 Word Problems Problem 10 (1:37)
557 Word Problems Problem 11 (0:39)
558 Word Problems Problem 12 (0:47)
559 Word Problems Problem 13 (0:46)
560 Word Problems Problem 14 (0:55)
561 Word Problems Problem 15 (0:48)
562 Word Problems Problem 16 (0:42)
563 Word Problems Problem 17 (0:39)
564 Word Problems Problem 18 (1:05)
565 Word Problems Problem 19 (0:56)
566 Word Problems Problem 20 (1:28)
Sequences and Series
569 Sequences Introduction (0:27)
570 Sequences Introduction Example 1 (0:44)
571 Sequences Introduction Example 2 (0:56)
572 Arithmetic Progressions (0:48)
573 Arithmetic Progressions Example (0:36)
574 Arithmetic Progressions - Sequence Formulas 1 (0:16)
575 Arithmetic Progressions - Sequence Formulas 2 (1:10)
576 Arithmetic Progressions - Sequence Formulas 3 (0:08)
577 Geometric Progressions (1:00)
578 Geometric Progressions Example (0:43)
579 Geometric Progressions - Sequence Formulas 1 (0:10)
580 Geometric Progressions - Sequence Formulas 2 (0:48)
581 Geometric Progressions - Sequence Formulas 3 (0:07)
582 Series (0:26)
583 Series Example 1 (0:39)
584 Series Example 2 (1:36)
585 Sequences and Series Problem 1 (0:27)
586 Sequences and Series Problem 2 (0:24)
587 Sequences and Series Problem 3 (1:16)
588 Sequences and Series Problem 4 (0:32)
589 Sequences and Series Problem 5 (0:47)
590 Sequences and Series Problem 6 (0:27)
591 Sequences and Series Problem 7 (0:40)
592 Sequences and Series Problem 8 (0:17)
593 Sequences and Series Problem 9 (1:06)
594 Sequences and Series Problem 10 (1:34)
Counting
595 Counting Overlapping Sets (0:28)
596 Counting Overlapping Sets Example (0:44)
597 The Number of Integers Between Two Integers (0:08)
598 The Number of Integers Between Two Integers Example (0:45)
599 Fundamental Principle of Counting (0:46)
600 Fundamental Principle of Counting Example (0:35)
601 Miscellaneous Counting Problems (0:03)
602 Miscellaneous Counting Problems Example 1 (1:33)
603 Miscellaneous Counting Problems Example 2 (0:45)
604 Counting Problem 1 (0:17)
605 Counting Problem 2 (0:44)
606 Counting Problem 3 (0:18)
607 Counting Problem 4 (0:32)
608 Counting Problem 5 (0:53)
609 Counting Problem 6 (0:23)
610 Counting Problem 7 (0:51)
611 Counting Problem 8 (0:35)
612 Counting Problem 9 (0:34)
613 Counting Problem 10 (0:35)
Probability and Statistics
614 Probability Introduction 1 (0:48)
615 Probability Introduction 2 (0:43)
616 Probability Introduction 3 (0:54)
617 Probability Introduction 4 (0:33)
618 Consecutive Probabilities 1 (0:31)
619 Consecutive Probabilities 2 (0:50)
620 Either-Or-Probabilities 1 (0:26)
621 Either-Or-Probabilities 2 (0:42)
622 Either-Or-Probabilities 3 (0:48)
623 Either-Or-Probabilities 4 (0:30)
624 Geometric Probability (0:24)
625 Statistics Introduction (0:10)
626 Median (0:52)
627 Median Example (0:25)
628 Mode (0:40)
629 Range (0:27)
630 Standard Deviation (0:36)
631 Standard Deviation Example (0:32)
632 Probability and Statistics Problem 1 (1:15)
633 Probability and Statistics Problem 2 (0:26)
634 Probability and Statistics Problem 3 (1:30)
635 Probability and Statistics Problem 4 (1:52)
636 Probability and Statistics Problem 5 (1:03)
637 Probability and Statistics Problem 6 (0:24)
638 Probability and Statistics Problem 7 (0:35)
639 Probability and Statistics Problem 8 (0:28)
Complex Numbers
640 Complex Numbers Introduction (0:13)
641 Definition (0:56)
642 Definition Example (0:50)
643 Definition Formulas 1 (0:18)
644 Definition Formulas Example (0:45)
645 Definition Formulas 2 (1:07)
646 Conjugate 1 (1:20)
647 Plotting Complex Numbers in the Plane (0:40)
648 Absolute Value (0:59)
649 Absolute Value Example (0:39)
650 Complex Numbers Problem 1 (1:32)
651 Complex Numbers Problem 2 (0:52)
652 Complex Numbers Problem 3 (0:45)
653 Complex Numbers Problem 4 (0:33)
654 Complex Numbers Problem 5 (1:12)
655 Complex Numbers Problem 6 (2:35)
656 Complex Numbers Problem 7 (1:26)
657 Complex Numbers Problem 8 (2:11)
658 Complex Numbers Problem 9 (0:15)
659 Complex Numbers Problem 10 (1:06)
Trigonometry
661 Trigonometry Introduction 1 (0:22)
662 Trigonometry Introduction 2 (0:22)
663 Trigonometric Formulas You Must Know (0:29)
664 Trigonometric Formulas You Must Know Example 1 (0:34)
665 Trigonometric Formulas You Must Know Example 2 (1:32)
666 Trigonometric Identities You Should Be Familiar With 1 (0:25)
667 Trigonometric Identities You Should Be Familiar With Example (1:59)
668 Trigonometric Identities You Should Be Familiar With 2 (0:18)
669 Trigonometric Identities You Should Be Familiar With 3 (0:30)
670 Formulas for Solving Non-right Triangles - Law of Cosines (0:41)
671 Formulas for Solving Non-right Triangles Example (0:55)
672 Formulas for Solving Non-right Triangles - Law of Sines (0:23)
673 Trigonometric Values for Special Angles (1:10)
674 Trigonometric Values for Special Angles Example (2:02)
675 Trigonometry Problem 1 (0:43)
676 Trigonometry Problem 2 (1:02)
677 Trigonometry Problem 3 (1:13)
678 Trigonometry Problem 4 (0:38)
679 Trigonometry Problem 5 (1:12)
680 Trigonometry Problem 6 (1:42)
Miscellaneous Problems
681 Miscellaneous Problems Example 1 (0:29)
682 Miscellaneous Problems Example 2 (1:24)
683 Miscellaneous Problems Problem 1 (0:49)
684 Miscellaneous Problems Problem 2 (0:30)
685 Miscellaneous Problems Problem 3 (0:23)
686 Miscellaneous Problems Problem 4 (0:57)
687 Miscellaneous Problems Problem 5 (0:27)
688 Miscellaneous Problems Problem 6 (0:39)
689 Miscellaneous Problems Problem 7 (0:41)
690 Miscellaneous Problems Problem 8 (0:28)
Reading Introduction
691 Reading - Format of the Reading Section (0:17)
692 Reading Introduction 1 (0:16)
693 Reading Introduction 2 (0:40)
694 Reading Introduction 3 (0:48)
695 Reading Methods 1 (0:33)
696 Reading Methods 2 (0:51)
697 Reading Methods 3 (0:51)
698 Reading Methods 4 (0:51)
The Six Questions
699 The Six Questions Introduction (0:47)
700 The Six Questions Original Passage (0:14)
701 Main Idea Questions 1 (0:27)
702 Main Idea Questions 2 (0:43)
703 Main Idea Questions Example 1 (0:52)
704 Main Idea Questions Example 2 (0:58)
705 Description Questions 1 (0:43)
706 Description Questions 2 (0:55)
707 Description Questions Example 1 (1:14)
708 Description Questions Example 2 (0:31)
709 Description Questions 3 (0:46)
710 Description Questions 4 (0:34)
711 Description Questions 5 (0:30)
712 Description Questions Example 3 (0:55)
713 Writing Technique Questions 1 (0:38)
714 Compare and contrast two positions 1 (0:27)
715 Compare and contrast two positions 2 (0:36)
716 Compare and contrast two positions Example (1:09)
717 Show cause and effect (0:43)
718 Show cause and effect Example (0:36)
719 State a position and then give supporting evidence (0:40)
720 Extension Questions (1:02)
721 Extension Questions Example 1 (1:00)
722 Extension Questions Example 2 (0:33)
723 Application Questions 1 (0:46)
724 Application Questions 2 (0:32)
725 Application Questions Example 1 (0:32)
726 Application Questions Example 2 (0:40)
727 Tone Questions 1 (0:53)
728 Tone Questions Example 1 (1:39)
729 Tone Questions Example 2 (1:30)
730 Tone Questions 3 (0:47)
731 Tone Questions 4 (1:02)
732 Tone Questions 5 (0:48)
733 The Six Questions PTR 1 (0:30)
734 The Six Questions PTR 2 (0:38)
735 The Six Questions PTR 3 (0:21)
736 The Six Questions PTR 4 (0:42)
737 The Six Questions PTR 5 (0:26)
738 The Six Questions Mentor Exercise Passage (0:09)
739 The Six Questions Mentor Exercise 1 (0:28)
740 The Six Questions Mentor Exercise 2 (0:25)
741 The Six Questions Mentor Exercise 3 (0:27)
742 The Six Questions Mentor Exercise 4 (0:34)
743 The Six Questions Mentor Exercise 5 (0:35)
744 The Six Questions Mentor Exercise 6 (0:17)
745 The Six Questions Solo Exercise Passage (0:08)
746 The Six Questions Solo Exercise 1 (1:29)
747 The Six Questions Solo Exercise 2
748 The Six Questions Solo Exercise 3 (1:03)
749 The Six Questions Solo Exercise 4 (1:19)
750 The Six Questions Solo Exercise 5 (0:35)
751 The Six Questions Solo Exercise 6
Pivotal Words
752 Pivotal Words Introduction 1 (0:18)
753 Pivotal Words Introduction 2 (0:26)
754 Pivotal Words Introduction 3 (0:49)
755 Pivotal Words Introduction 4 (0:36)
756 Pivotal Words Original Passage (0:10)
757 Pivotal Words Example 1 (0:18)
758 Pivotal Words Example 2 (0:15)
759 Pivotal Words Example 3 (0:16)
760 Pivotal Words PTR 1 (0:27)
761 Pivotal Words PTR 2 (0:23)
762 Pivotal Words Mentor Exercise Passage (0:11)
763 Pivotal Words Mentor Exercise 1 (0:09)
764 Pivotal Words Mentor Exercise 2 (0:28)
765 Pivotal Words Mentor Exercise 3 (0:21)
766 Pivotal Words Mentor Exercise 4 (1:01)
767 Pivotal Words Mentor Exercise 5 (0:28)
768 Pivotal Words Mentor Exercise 6 (0:09)
769 Pivotal Words Solo Exercise Passage (0:07)
770 Pivotal Words Solo Exercise 1 (1:16)
771 Pivotal Words Solo Exercise 2 (0:20)
772 Pivotal Words Solo Exercise 3 (0:48)
773 Pivotal Words Solo Exercise 4 (0:42)
774 Pivotal Words Solo Exercise 5 (0:19)
775 Pivotal Words Solo Exercise 6 (0:31)
The Three-Step Three-Step Method
776 The Three-Step Method 1 (0:36)
777 The Three-Step Method 2 (0:31)
778 The Three-Step Method 3 (0:38)
779 The Three-Step Method 4 (0:44)
780 The Three-Step Method 5 (0:16)
781 The Three-Step Method 6 (0:42)
782 The Three-Step Method Example Pre-Analysis (0:06)
783 The Three-Step Method Example Passage (0:06)
784 The Three-Step Method Example Question 1 (0:56)
785 The Three-Step Method Example Question 2 (0:20)
786 The Three-Step Method Example Question 3 (0:34)
787 The Three-Step Method Example Question 4 (0:32)
788 The Three-Step Method Example Question 5 (0:22)
789 The Three-Step Method Example Question 6 (0:44)
790 The Three-Step Method - PTR 1 (0:25)
791 The Three-Step Method - PTR 2 (0:31)
792 The Three-Step Method Mentor Exercise Passage Part 1 (0:06)
793 The Three-Step Method Mentor Exercise Passage Part 2 (0:06)
794 The Three-Step Method Mentor Exercise 1 (0:24)
795 The Three-Step Method Mentor Exercise 2 (0:24)
796 The Three-Step Method Mentor Exercise 3 (0:26)
797 The Three-Step Method Mentor Exercise 4 (0:14)
798 The Three-Step Method Mentor Exercise 5 (0:41)
799 The Three-Step Method Solo Exercise Passage (0:08)
800 The Three-Step Method Solo Exercise 1 (0:44)
801 The Three-Step Method Solo Exercise 2 (0:50)
802 The Three-Step Method Solo Exercise 3 (0:23)
803 The Three-Step Method Solo Exercise 4 (0:19)
804 The Three-Step Method Solo Exercise 5 (0:26)
Writing - Introduction
805 Writing and Language Test Introduction (0:25)
Grammar
806 Grammar 1 (0:23)
807 Grammar 2 (0:30)
808 Grammar 3 (0:28)
809 Grammar Error Identification (0:19)
810 Grammar Error Identification Example (0:25)
811 Grammar Improving Sentences (0:18)
812 Grammar Improving Sentences Example (0:18)
813 Grammar Improving Paragraphs 1 (0:35)
814 Grammar Improving Paragraphs 2 (0:56)
815 Grammar Improving Paragraphs Example 1 (1:18)
816 Grammar Improving Paragraphs Example 2 (0:39)
817 Grammar Improving Paragraphs Example 3 (0:42)
Pronoun Errors
818 Pronoun Errors 1 Usage (0:30)
819 Pronoun Errors 2 Common Pronouns (0:06)
820 Pronoun Errors 3 (0:18)
821 Pronoun Errors 4 (0:22)
822 Pronoun Errors 5 (0:53)
823 Pronoun Errors 6 (0:24)
824 Pronoun Errors 7 (0:51)
825 Pronoun Errors 8 (0:22)
826 Pronoun Errors 9 (0:35)
827 Pronoun Errors 10 (0:14)
828 Pronoun Errors 11 (0:16)
829 Pronoun Errors Problem 1 (0:44)
830 Pronoun Errors Problem 2 (0:18)
831 Pronoun Errors Problem 3 (0:48)
832 Pronoun Errors Problem 4 (0:57)
833 Pronoun Errors Problem 5 (0:46)
834 Pronoun Errors Problem 6 (0:58)
Subject-Verb Agreement
835 Subject-Verb Agreement - Number and Person (0:34)
836 Subject-Verb Agreement - Intervening Phrases and Clauses 1 (0:26)
837 Subject-Verb Agreement - Intervening Phrases and Clauses 2 (0:27)
838 Subject-Verb Agreement - Intervening Phrases and Clauses 3 (0:38)
839 Subject-Verb Agreement - Reversed Order 1 (0:23)
840 Subject-Verb Agreement - Reversed Order 2 (0:34)
841 Subject-Verb Agreement - Reversed Order 3 (0:16)
842 Subject-Verb Agreement - Reversed Order 4 (0:26)
843 Subject-Verb Agreement - Reversed Order 5 (0:40)
844 Subject-Verb Agreement Problem 1 (0:26)
845 Subject-Verb Agreement Problem 2 (0:24)
846 Subject-Verb Agreement Problem 3 (0:49)
847 Subject-Verb Agreement Problem 4 (0:15)
848 Subject-Verb Agreement Problem 5 (0:56)
849 Subject-Verb Agreement Problem 6 (0:44)
850 Subject-Verb Agreement Problem 7 (0:47)
851 Subject-Verb Agreement Problem 8 (0:55)
852 Subject-Verb Agreement Problem 9 (0:39)
Misplaced Modifiers
853 Misplaced Modifiers 1 (0:14)
854 Misplaced Modifiers 2 (0:31)
855 Misplaced Modifiers 3 (0:32)
856 Misplaced Modifiers 4 (0:37)
857 Misplaced Modifiers 5 (0:14)
858 Misplaced Modifiers 6 (0:35)
859 Misplaced Modifiers 7 (0:58)
860 Misplaced Modifiers 8 (0:24)
862 Misplaced Modifiers Problem 1 (0:42)
863 Misplaced Modifiers Problem 2 (0:34)
864 Misplaced Modifiers Problem 3 (0:24)
865 Misplaced Modifiers Problem 4 (0:54)
866 Misplaced Modifiers Problem 5 (0:38)
867 Misplaced Modifiers Problem 6 (0:37)
868 Misplaced Modifiers Problem 7 (0:44)
869 Misplaced Modifiers Problem 8 (1:33)
Faulty Parallelism
870 Faulty Parallelism 1 (0:19)
871 Faulty Parallelism 2 (0:18)
872 Faulty Parallelism 3 (0:39)
873 Faulty Parallelism 4 (0:32)
874 Faulty Parallelism 5 (0:43)
875 Faulty Parallelism 6 (0:44)
876 Faulty Parallelism 7 (0:27)
877 Faulty Parallelism 8 (0:42)
878 Faulty Parallelism 9 (0:29)
879 Faulty Parallelism 10 (0:14)
880 Faulty Parallelism 11 (0:35)
881 Faulty Parallelism 12 (0:27)
882 Faulty Parallelism Problem 1 (1:02)
883 Faulty Parallelism Problem 2 (0:44)
884 Faulty Parallelism Problem 3 (0:34)
885 Faulty Parallelism Problem 4 (0:41)
886 Faulty Parallelism Problem 5 (0:47)
887 Faulty Parallelism Problem 6 (0:50)
888 Faulty Parallelism Problem 7 (0:50)
889 Faulty Parallelism Problem 8 (0:48)
890 Faulty Parallelism Problem 9 (0:33)
891 Faulty Parallelism Problem 10 (0:54)
Faulty Verb Tense
892 Faulty Verb Tense - Definition (0:35)
893 Faulty Verb Tense - Present Tense (0:23)
894 Faulty Verb Tense - Past Tense (0:07)
895 Faulty Verb Tense - Past Participle (0:51)
896 Faulty Verb Tense - Present Participle (-ing) (0:47)
897 Faulty Verb Tense - Passive Voice 1 (0:31)
898 Faulty Verb Tense - Passive Voice 2 (0:44)
899 Faulty Verb Tense Problem 1 (0:53)
900 Faulty Verb Tense Problem 2 (0:16)
901 Faulty Verb Tense Problem 3 (0:33)
902 Faulty Verb Tense Problem 4 (0:56)
903 Faulty Verb Tense Problem 5 (0:19)
904 Faulty Verb Tense Problem 6 (0:41)
Idiom
905 Idiom - Definition (0:12)
906 Idiom - Accept:Except (0:23)
907 Idiom - Account For (0:17)
908 Idiom - Adapted to:for:from (0:31)
909 Idiom - Affect:Effect (0:24)
910 Idiom - All ready vs Already (0:34)
911 Idiom - As:Like (0:26)
912 Idiom - As To (0:38)
913 Idiom - Being That vs Since (0:16)
914 Idiom - Beside:Besides (0:20)
915 Idiom - Center On vs Center Around (0:23)
916 Idiom - Consensus of Opinion (0:24)
917 Idiom - Double Negatives (0:21)
918 Idiom - Farther:Further (0:29)
919 Idiom - Identical With (not to) (0:25)
920 Idiom - Likely vs Liable (0:32)
920b Idiom - It's vs Its (0:32)
921 Idiom - Not Only ... But Also (0:18)
922 Idiom - On Account Of vs Because (0:15)
923 Idiom - One Another:Each Other (0:21)
924 Idiom - Plus vs And (0:19)
925 Idiom - Plus vs And (continued) (0:28)
926 Idiom - Regard vs Regards (0:28)
927 Idiom - Retroactive To (not from) (0:25)
928 Idiom - The Reason Is Because (0:18)
929 Idiom - Whether vs As To Whether (0:18)
930 Idiom - Whether vs If (0:18)
931 Idiom Problem 1 (0:12)
932 Idiom Problem 2 (0:20)
933 Idiom Problem 3 (0:23)
934 Idiom Problem 4 (0:54)
935 Idiom Problem 5 (0:49)
Sample Writing Passage 1
941 Sample Writing Passage 1 Question 1 (0:28)
942 Sample Writing Passage 1 Question 2 (0:26)
943 Sample Writing Passage 1 Question 3 (0:26)
944 Sample Writing Passage 1 Question 4 (0:13)
945 Sample Writing Passage 1 Question 5 (0:37)
946 Sample Writing Passage 1 Question 6 (0:34)
947 Sample Writing Passage 1 Question 7 (0:17)
948 Sample Writing Passage 1 Question 8 (0:51)
949 Sample Writing Passage 1 Question 9 (0:34)
950 Sample Writing Passage 1 Question 10 (0:33)
951 Sample Writing Passage 1 Question 11 (0:34)
952 Sample Writing Passage 1 Question 12 (0:20)
953 Sample Writing Passage 1 Question 13 (0:23)
954 Sample Writing Passage 1 Question 14 (0:18)
955 Sample Writing Passage 1 Question 15 (0:33)
Sample Writing Passage 2
956 Sample Writing Passage 2 Question 1 (0:36)
957 Sample Writing Passage 2 Question 2 (0:25)
958 Sample Writing Passage 2 Question 3 (0:24)
959 Sample Writing Passage 2 Question 4 (0:17)
960 Sample Writing Passage 2 Question 5 (0:40)
961 Sample Writing Passage 2 Question 6 (0:25)
962 Sample Writing Passage 2 Question 7 (0:26)
963 Sample Writing Passage 2 Question 8 (0:23)
964 Sample Writing Passage 2 Question 9 (0:42)
965 Sample Writing Passage 2 Question 10 (0:24)
966 Sample Writing Passage 2 Question 11 (0:26)
967 Sample Writing Passage 2 Question 12 (0:12)
968 Sample Writing Passage 2 Question 13 (0:20)
969 Sample Writing Passage 2 Question 14 (0:31)
970 Sample Writing Passage 2 Question 15 (0:25)
Sample Writing Passage 3
971 Sample Writing Passage 3 Question 1 (0:18)
972 Sample Writing Passage 3 Question 2 (0:26)
973 Sample Writing Passage 3 Question 3 (0:23)
974 Sample Writing Passage 3 Question 4 (0:31)
975 Sample Writing Passage 3 Question 5 (0:14)
976 Sample Writing Passage 3 Question 6 (0:21)
977 Sample Writing Passage 3 Question 7 (0:16)
978 Sample Writing Passage 3 Question 8 (0:24)
979 Sample Writing Passage 3 Question 9 (0:22)
980 Sample Writing Passage 3 Question 10 (0:10)
981 Sample Writing Passage 3 Question 11 (0:25)
982 Sample Writing Passage 3 Question 12 (0:35)
983 Sample Writing Passage 3 Question 13 (0:27)
984 Sample Writing Passage 3 Question 14 (0:37)
985 Sample Writing Passage 3 Question 15 (0:57)
Sample Writing Passage 4
986 Sample Writing Passage 4 Question 1 (0:21)
987 Sample Writing Passage 4 Question 2 (0:11)
988 Sample Writing Passage 4 Question 3 (0:18)
989 Sample Writing Passage 4 Question 4 (0:14)
990 Sample Writing Passage 4 Question 5 (0:09)
991 Sample Writing Passage 4 Question 6 (0:37)
992 Sample Writing Passage 4 Question 7 (0:05)
993 Sample Writing Passage 4 Question 8 (0:25)
994 Sample Writing Passage 4 Question 9 (0:15)
995 Sample Writing Passage 4 Question 10 (0:17)
996 Sample Writing Passage 4 Question 11 (0:13)
997 Sample Writing Passage 4 Question 12 (0:29)
998 Sample Writing Passage 4 Question 13 (0:16)
999 Sample Writing Passage 4 Question 14 (0:21)
1000 Sample Writing Passage 4 Question 15 (0:42)
The Essay
1001 The Essay
578 Geometric Progressions Example
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