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
- 1.88 − 26 =
- 2.100 − 86 =
- 3.584 − 26 =
- 4.544 − 78 =
- 5.76 − 17 =
- 6.334 − 36 =
- 7.180 − 29 =
- 8.301 − 88 =
- 9.422 − 17 =
- 10.440 − 96 =
- 11.588 − 36 =
- 12.289 − 18 =
- 13.162 − 88 =
- 14.261 − 66 =
- 15.478 − 89 =
- 16.234 − 88 =
- 17.527 − 88 =
- 18.505 − 66 =
- 19.423 − 97 =
- 20.55 − 37 =
- 21.292 − 19 =
- 22.396 − 88 =
- 23.240 − 26 =
- 24.201 − 66 =
- 25.283 − 69 =
- 26.184 − 39 =
- 27.461 − 86 =
- 28.240 − 39 =
- 29.424 − 39 =
- 30.99 − 49 =
- 31.462 − 78 =
- 32.173 − 36 =
- 33.480 − 47 =
- 34.573 − 57 =
- 35.270 − 26 =
- 36.294 − 88 =
- 37.151 − 99 =
- 38.196 − 26 =
- 39.95 − 87 =
- 40.528 − 77 =
Answer key
- 62
- 14
- 558
- 466
- 59
- 298
- 151
- 213
- 405
- 344
- 552
- 271
- 74
- 195
- 389
- 146
- 439
- 439
- 326
- 18
- 273
- 308
- 214
- 135
- 214
- 145
- 375
- 201
- 385
- 50
- 384
- 137
- 433
- 516
- 244
- 206
- 52
- 170
- 8
- 451
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths