Subtraction Trick Worksheet
The fast method (Shift both): How much makes the second number round? 68 needs 2 to make 70. Add that amount to BOTH numbers. Take away the round number.
NameDateTime takenScore ___ / 40
- 1.193 − 26 =
- 2.229 − 19 =
- 3.473 − 66 =
- 4.471 − 46 =
- 5.289 − 28 =
- 6.492 − 39 =
- 7.157 − 59 =
- 8.574 − 16 =
- 9.119 − 79 =
- 10.413 − 26 =
- 11.266 − 29 =
- 12.72 − 28 =
- 13.459 − 87 =
- 14.96 − 59 =
- 15.469 − 19 =
- 16.453 − 96 =
- 17.479 − 67 =
- 18.569 − 68 =
- 19.481 − 16 =
- 20.187 − 99 =
- 21.542 − 59 =
- 22.575 − 66 =
- 23.294 − 26 =
- 24.472 − 36 =
- 25.167 − 29 =
- 26.452 − 47 =
- 27.232 − 28 =
- 28.364 − 78 =
- 29.203 − 27 =
- 30.244 − 37 =
- 31.414 − 69 =
- 32.390 − 99 =
- 33.435 − 16 =
- 34.196 − 87 =
- 35.416 − 68 =
- 36.508 − 86 =
- 37.425 − 57 =
- 38.529 − 76 =
- 39.159 − 77 =
- 40.474 − 58 =
Answer key
- 167
- 210
- 407
- 425
- 261
- 453
- 98
- 558
- 40
- 387
- 237
- 44
- 372
- 37
- 450
- 357
- 412
- 501
- 465
- 88
- 483
- 509
- 268
- 436
- 138
- 405
- 204
- 286
- 176
- 207
- 345
- 291
- 419
- 109
- 348
- 422
- 368
- 453
- 82
- 416
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths