Learning Guide - Part I

Watch all of the videos in the General Strategies Module.

Watch all of the videos in the Data Sufficiency Module

Note: Don’t worry if you’re unfamiliar with some of the math content in the Data Sufficiency videos.  The sole purpose of these videos is to provide you with a solid foundation before you begin working on the math content.  Later in the Learning Guide, you will be directed to revisit most of these videos.

Go to GMAT Prep Now’s Arithmetic Module and watch videos #1 to #8

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 52, 98
• Data Sufficiency: 269, 298, 319, 322, 330, 337, 344, 363, 387, 393, 403

Or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 22, 26, 27, 51, 87, 176     
• Data Sufficiency: 35, 76, 78, 80, 83, 87, 100, 139, 156, 171

Or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 1, 17, 20, 24, 32, 33, 39, 51, 142, 154     
• Data Sufficiency: 6, 31, 59, 63, 69, 75, 89, 103, 124, 126, 133, 140, 144, 170

Go to GMAT Prep Now’s Arithmetic Module and watch videos #9 to #16

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 3, 25, 41, 55, 69, 107, 113, 135, 189
• Data Sufficiency: 234, 386

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 2, 19, 36, 46, 49, 95, 100, 119, 167, 175, 203, 227    
• Data Sufficiency: 1, 5, 34, 58, 113, 141, 146   

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 2, 15, 27, 41, 46, 48, 76, 80, 85, 97, 138, 151, 194, 195, 226    
• Data Sufficiency: 4, 10, 46, 98, 112, 131, 148   

Go to the Arithmetic Module and watch videos #17 to #24

Note: if you need some help with basic equation solving, go to the Algebra and Equation Solving Module and watch videos #15 and #16

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 1, 9, 12, 15, 30, 34, 36, 60, 73, 89, 91, 116, 117, 133, 176, 205
• Data Sufficiency: 239, 250, 258, 263, 264, 276, 290, 308, 311, 323, 325

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 1, 6, 9, 11, 24, 28, 30, 34, 62, 64, 104, 116, 160, 161, 166, 195
• Data Sufficiency: 10, 21, 29, 40, 64, 69, 109, 158

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 6, 8, 11, 19, 21, 31, 57, 58, 84, 94, 123, 135, 141, 152, 182
• Data Sufficiency: 8, 40, 55, 62, 147, 150   

Go to the Arithmetic Module and watch videos #25 to #30

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 2, 23, 32, 35, 64, 72, 115, 136, 156, 167
• Data Sufficiency: 265, 359, 371

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 29, 72, 102, 120, 138, 199, 207    
• Data Sufficiency: 24, 70, 127, 169

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 22, 23, 59, 63, 66, 82, 98, 115, 125, 179, 188, 200    
• Data Sufficiency: 23, 43, 47, 77, 81, 114, 168

Go to the Arithmetic Module and answer video questions #31 to #38

Answer the questions labeled "Additional Practice" at the bottom of the Arithmetic module page

Go to the Powers and Roots Module and watch videos #1 to #12

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 28, 77, 87, 118, 128, 145, 164, 185, 196, 198, 204, 208, 223
• Data Sufficiency: 243, 249, 255, 277, 356, 361

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 67, 78, 105, 123, 128, 146, 171, 183, 184, 188, 193, 204, 221      
• Data Sufficiency: 20, 41, 112, 117, 163, 164, 170

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 65, 100, 106, 111, 122, 146, 163, 170, 180, 196, 217, 227      
• Data Sufficiency: 101, 157, 159, 169

Go to the Powers and Roots Module and watch videos #13 to #25

Note: If you are unfamiliar with the FOIL method mentioned in video lesson #24, you may want to go to the Algebra and Equation Solving Module and watch video #5, The FOIL Method.

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 10, 58, 95, 178
• Data Sufficiency: 240, 327

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 7, 52, 57, 85, 163        
• Data Sufficiency: 11, 173

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 9, 35, 52, 176        
• Data Sufficiency: 15, 52, 172   

Go to the Powers and Roots Module and answer video questions #26 to #36

Answer the questions labeled "Additional Practice" at the bottom of the Powers and Roots module page

Go to the Algebra and Equation Solving Module and watch videos #1 to #14

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 63, 121, 143, 188, 211   
• Data Sufficiency: 404

or answer the following questions in the Official Guide (2016):

• Problem Solving: 14, 42, 174, 206, 213, 230
• Data Sufficiency: 172

or answer the following questions in the Official Guide (2015):

• Problem Solving: 70, 129, 150, 164, 199, 209, 230
• Data Sufficiency: 171

Go to the Algebra and Equation Solving Module and watch videos #15 to #26

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 22, 27, 31, 46, 57, 70, 76, 78, 93, 104, 137, 152, 163, 222, 227, 230
• Data Sufficiency: 245, 247, 271, 273, 288, 292, 338, 357, 398

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 17, 21, 25, 47, 53, 54, 66, 68, 83, 92, 107, 121, 126, 145, 179, 187, 220, 225
• Data Sufficiency: 18, 37, 39, 53, 65, 74, 81, 94, 114, 119

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 37, 42, 45, 47, 54, 55, 72, 99, 102, 120, 157, 169, 187, 191, 216, 220, 223
• Data Sufficiency: 1, 17, 36, 41, 53, 60, 67, 86, 99, 156

Go to the Algebra and Equation Solving Module and watch videos #27 to #42

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 21, 45, 67, 74, 92, 94, 110, 171, 172, 175, 183, 187, 191, 224, 229
• Data Sufficiency: 246, 268, 272, 278, 279, 293, 301, 305, 307, 345, 349, 352, 355, 374, 399, 401

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 16, 61, 63, 82, 84, 97, 154, 155, 159, 168, 173, 178, 229   
• Data Sufficiency: 16, 38, 42, 54, 61, 66, 101, 104, 107, 111, 130, 142, 166, 168   

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 14, 50, 73, 130, 134, 143, 149, 156, 192, 229   
• Data Sufficiency: 13, 48, 50, 82, 85, 92, 96, 97, 104, 118, 136, 160, 162, 164, 167   

Go to the Algebra and Equation Solving Module and watch videos #43 to #55

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 8, 33, 49, 59, 66, 84, 170, 217
• Data Sufficiency: 235, 261, 316, 335, 379, 384

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 5, 44, 60, 75, 153, 210    
• Data Sufficiency: 6, 27, 91, 136, 144

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 7, 28, 43, 61, 69, 202, 206, 211    
• Data Sufficiency: 11, 74, 129, 155

Go to the Algebra and Equation Solving Module and answer video questions #56 to #73

Answer the questions labeled as "Additional Practice" at the bottom of the Algebra and Equation Solving module

Go to the Word Problems Module and watch videos #1 to #10

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 4, 13, 19, 81, 83, 86, 100, 102, 109, 124, 131, 140, 144, 153, 162, 165, 218
• Data Sufficiency: 233, 252, 253, 256, 267, 274, 280, 282, 294, 295, 297, 303, 306, 310, 312, 313, 318, 324, 332, 333, 339, 340, 341, 351, 364, 382, 391, 395, 402

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 3, 55, 58, 71, 74, 77, 90, 103, 109, 115, 127, 135, 147, 169, 197, 208, 216
• Data Sufficiency: 4, 15, 23, 28, 30, 32, 43, 46, 52, 55, 57, 63, 67, 68, 71, 75, 77, 82, 89, 93, 95, 96, 97, 106, 147, 153, 154, 160, 165

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 29, 56, 60, 64, 71, 83, 88, 90, 93, 105, 113, 114, 119, 140, 144, 153, 167, 185, 203, 212
• Data Sufficiency: 9, 25, 26, 28, 33, 34, 44, 45, 51, 54, 57, 61, 65, 71, 76, 78, 88, 91, 127, 132, 141, 142, 151, 153, 158, 161, 163, 174   

Go to the Word Problems Module and watch videos #11 to #19

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 5, 7, 56, 65, 85, 96, 111, 177, 179, 182, 213
• Data Sufficiency: 238, 251, 285, 299, 309, 326, 328, 350, 366, 377

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 50, 59, 76, 98, 144, 162, 164, 186, 211
• Data Sufficiency: 8, 22, 48, 59, 84, 85, 105, 122, 134

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 49, 79, 81, 86, 103, 137, 139, 162, 168, 207
• Data Sufficiency: 12, 16, 22, 68, 90, 106, 107, 108, 115   

Go to the Word Problems Module and watch videos #20 to #23

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 101, 103, 132, 203, 226
• Data Sufficiency: 232, 248, 254, 291, 302, 321, 353, 372, 388

or nswer the following questions in the Official Guide (2016 edition):

• Problem Solving: 37, 89, 91, 192, 198, 200, 224
• Data Sufficiency: 2, 17, 19, 33, 62, 79, 108, 128, 148, 150, 151

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 25, 96, 136, 178, 186, 189, 201, 222
• Data Sufficiency: 2, 5, 21, 29, 49, 66, 93, 94, 116, 134, 137, 138

Go to the Word Problems Module and watch videos #24 to #33

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 43, 61, 75, 130, 139, 147, 181, 192, 193, 199, 201, 207, 228
• Data Sufficiency: 241, 242, 257

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 39, 56, 65, 114, 130, 150, 180, 181, 189, 201, 226
• Data Sufficiency: 12, 13, 25, 120

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 108, 126, 158, 160, 171, 172, 190, 224
• Data Sufficiency: 18, 24, 64, 105   

Go to the Word Problems Module and watch videos #34 to #37

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 6, 18, 44, 50, 53, 68, 79, 112, 114, 151, 173, 180, 195, 202, 210, 215, 220

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 4, 40, 69, 99, 101, 110, 134, 156, 165, 182, 191, 194, 205, 218

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 4, 34, 38, 89, 131, 177, 181, 184, 198, 205, 214

Go to the Word Problems Module and answer video questions #38 to #48

Answer the questions labeled "Additional Practice" at the bottom of the Sentence Correction module page

Go to the Geometry Module and watch videos #1 to #16

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 24, 39, 106, 126, 138, 212, 216
• Data Sufficiency: 231, 237, 259, 320, 334, 342, 370, 380, 383, 400

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 18, 33, 94, 113, 122, 214, 215    
• Data Sufficiency: 90, 98, 126, 137, 143, 159, 161, 167

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 3, 75, 92, 104, 161, 165, 197, 210    
• Data Sufficiency: 19, 56, 73, 79, 113, 128, 145, 149, 166

Go to the Geometry Module and watch videos #17 to #28

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 16, 17, 29, 37, 51, 80, 82, 90, 97, 127, 142, 157, 160, 197, 219
• Data Sufficiency: 260, 262, 286, 289, 296, 329, 358, 360, 362, 373, 376, 385, 396

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 12, 13, 23, 31, 41, 45, 70, 73, 81, 86, 125, 139, 142, 149, 185, 217   
• Data Sufficiency: 26, 44, 49, 51, 56, 86, 115, 116, 118, 129, 131, 133, 145

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 3, 13, 18, 36, 62, 78, 121, 147, 159, 166, 175, 213   
• Data Sufficiency: 30, 35, 42, 100, 102, 117, 119, 122, 130, 152, 165   

Go to the Geometry Module and answer video questions #29 to #42

Answer the questions labeled "Additional Practice" at the bottom of the Geometry module page

Go to the Integer Properties Module and watch videos #1 to #13

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 42, 108, 119, 122, 149, 158, 159, 168, 190, 200, 225
• Data Sufficiency: 275, 315, 343, 347, 365, 389

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 38, 96, 106, 108, 132, 140, 141, 143, 151, 177, 190, 209, 223   
• Data Sufficiency: 99, 149

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 5, 40, 77, 110, 116, 117, 127, 155, 174, 219   
• Data Sufficiency: 80, 135   

Go to the Integer Properties Module and watch videos #14 to #21

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 54, 62, 105
• Data Sufficiency: 266, 270, 369

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 48, 93, 222
• Data Sufficiency: 3, 9, 31, 36, 60, 121, 125, 174

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 44, 74, 204, 218, 225
• Data Sufficiency: 7, 14, 27, 32, 72, 111

Go to the Integer Properties Module and watch videos #22 to #26

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 40, 48, 134, 161
• Data Sufficiency: 300, 304, 314, 346

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 35, 43, 118   
• Data Sufficiency: 72, 102

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 26, 87, 95, 118, 221   
• Data Sufficiency: 58, 83, 173

Go to the Integer Properties Module and answer video questions #27 to #38

Answer the questions labeled "Additional Practice" at the bottom of the Integer Properties module page

Go to the Statistics Module and watch all of the videos

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 14, 20, 26, 38, 47, 71, 88, 99, 120, 125, 141, 148, 150, 155, 184, 206, 214
• Data Sufficiency: 244, 281, 284, 331, 336, 348, 354, 367, 368, 375, 378, 381, 390, 392, 394, 397

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 10, 15, 20, 32, 79, 88, 111, 112, 124, 131, 133, 137, 157, 170, 196, 212 
• Data Sufficiency: 14, 45, 47, 88, 92, 103, 110, 123, 124, 132, 135, 138, 152, 155, 157, 162

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 12, 16, 30, 53, 67, 91, 101, 109, 112, 132, 145, 183, 208   
• Data Sufficiency: 20, 37, 38, 70, 84, 87, 95, 109, 110, 120, 121, 123, 139, 143, 146, 154   

Answer the questions labeled "Additional Practice" at the bottom of the Statistics module page

Go to the Counting Module and watch all of the videos

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 129, 166, 169, 174, 186, 209
• Data Sufficiency: 317

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 117, 148, 152, 158, 172, 228
• Data Sufficiency: 73  

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 124, 128, 133, 148, 228   

Answer the questions labeled "Additional Practice" at the bottom of the Counting module page

Go to the Probability Module and watch all of the videos

Answer the following questions from the Official Guide (2017 edition):

• Problem Solving: 11, 123, 146, 154, 194, 221
• Data Sufficiency: 236, 283, 287

or answer the following questions in the Official Guide (2016 edition):

• Problem Solving: 8, 80, 129, 136, 202, 219   
• Data Sufficiency: 7, 50, 140

or answer the following questions in the Official Guide (2015 edition):

• Problem Solving: 10, 68, 107, 173, 193, 215   
• Data Sufficiency: 3, 39, 125

Answer the questions labeled "Additional Practice" at the bottom of the Probability module page