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Pattern rule
| Question | Answer |
|---|---|
| 137, 154, 171, 188, 205, 222 | Add 17 |
| 482, 453, 424, 395, 366, 337 | Subtract 29 |
| 96, 132, 168, 204, 240, 276 | Add 36 |
| 895, 848, 801, 754, 707, 660 | Subtract 47 |
| 218, 261, 304, 347, 390, 433 | Add 43 |
| 731, 678, 625, 572, 519, 466 | Subtract 53 |
| 125, 154, 183, 212, 241, 270 | Add 29 |
| 958, 894, 830, 766, 702, 638 | Subtract 64 |
| 74, 111, 148, 185, 222, 259 | Add 37 |
| 907, 836, 765, 694, 623, 552 | Subtract 71 |
| 17, 51, 153, 459, 1,377, 4,131 | Multiply by 3 |
| 13, 52, 208, 832, 3,328 | Multiply by 4 |
| 28, 84, 252, 756, 2,268 | Multiply by 3 |
| 19, 95, 475, 2,375, 11,875 | Multiply by 5 |
| 8,192, 4,096, 2,048, 1,024, 512, 256 | Divide by 2 |
| 6,561, 2,187, 729, 243, 81, 27 | Divide by 3 |
| 10,000, 2,000, 400, 80, 16 | Divide by 5 |
| 6,144, 1,536, 384, 96, 24, 6 | Divide by 4 |
| 15,625, 3,125, 625, 125, 25, 5 | Divide by 5 |
| 7,776, 1,296, 216, 36, 6, 1 | Divide by 6 |
| 12, 31, 69, 145, 297, 601 | Multiply by 2, then add 7 |
| 28, 47, 85, 161, 313, 617 | Multiply by 2, then subtract 9 |
| 5, 19, 61, 187, 565 | Multiply by 3, then add 4 |
| 9, 22, 61, 178, 529 | Multiply by 3, then subtract 5 |
| 2, 11, 47, 191, 767 | Multiply by 4, then add 3 |
| 7, 27, 67, 147, 307, 627 | Multiply by 2, then add 13 |
| 11, 26, 71, 206, 611 | Multiply by 3, then subtract 7 |
| 14, 25, 47, 91, 179, 355 | Multiply by 2, then subtract 3 |
| 3, 10, 38, 150, 598 | Multiply by 4, then subtract 2 |
| 23, 47, 95, 191, 383, 767 | Multiply by 2, then add 1 |
| 18, 25, 39, 60, 88, 123 | Add 7, then 14, then 21, then 28, then 35 |
| 350, 345, 335, 320, 300, 275 | Subtract 5, then 10, then 15, then 20, then 25 |
| 42, 51, 63, 78, 96, 117 | Add 9, then 12, then 15, then 18, then 21 |
| 500, 492, 480, 464, 444, 420 | Subtract 8, then 12, then 16, then 20, then 24 |
| 27, 31, 39, 51, 67, 87 | Add 4, then 8, then 12, then 16, then 20 |
| 640, 637, 631, 622, 610, 595 | Subtract 3, then 6, then 9, then 12, then 15 |
| 68, 77, 73, 82, 78, 87, 83 | Alternate adding 9 and subtracting 4 |
| 8, 16, 27, 54, 65, 130, 141 | Alternate multiplying by 2 and adding 11 |
| 100, 125, 25, 50, 10, 35, 7 | Alternate adding 25 and dividing by 5 |
| 7, 21, 13, 39, 31, 93, 85 | Alternate multiplying by 3 and subtracting 8 |