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
- 1.446 − 26 =
- 2.589 − 39 =
- 3.524 − 69 =
- 4.504 − 96 =
- 5.585 − 16 =
- 6.414 − 66 =
- 7.533 − 59 =
- 8.423 − 26 =
- 9.334 − 96 =
- 10.225 − 19 =
- 11.354 − 76 =
- 12.224 − 89 =
- 13.515 − 46 =
- 14.158 − 98 =
- 15.103 − 49 =
- 16.430 − 96 =
- 17.363 − 96 =
- 18.57 − 16 =
- 19.110 − 86 =
- 20.299 − 48 =
- 21.192 − 99 =
- 22.158 − 77 =
- 23.69 − 58 =
- 24.283 − 17 =
- 25.152 − 77 =
- 26.232 − 37 =
- 27.146 − 29 =
- 28.225 − 26 =
- 29.522 − 16 =
- 30.231 − 58 =
- 31.171 − 57 =
- 32.233 − 89 =
- 33.220 − 78 =
- 34.429 − 67 =
- 35.533 − 68 =
- 36.537 − 78 =
- 37.553 − 67 =
- 38.59 − 17 =
- 39.73 − 18 =
- 40.363 − 46 =
Answer key
- 420
- 550
- 455
- 408
- 569
- 348
- 474
- 397
- 238
- 206
- 278
- 135
- 469
- 60
- 54
- 334
- 267
- 41
- 24
- 251
- 93
- 81
- 11
- 266
- 75
- 195
- 117
- 199
- 506
- 173
- 114
- 144
- 142
- 362
- 465
- 459
- 486
- 42
- 55
- 317
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths