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
- 1.235 − 59 =
- 2.565 − 47 =
- 3.162 − 18 =
- 4.321 − 76 =
- 5.538 − 49 =
- 6.187 − 88 =
- 7.443 − 59 =
- 8.317 − 57 =
- 9.444 − 36 =
- 10.426 − 69 =
- 11.332 − 88 =
- 12.227 − 28 =
- 13.282 − 76 =
- 14.199 − 99 =
- 15.376 − 47 =
- 16.313 − 69 =
- 17.483 − 39 =
- 18.374 − 36 =
- 19.360 − 29 =
- 20.312 − 88 =
- 21.234 − 87 =
- 22.177 − 26 =
- 23.289 − 17 =
- 24.261 − 39 =
- 25.206 − 37 =
- 26.437 − 28 =
- 27.98 − 79 =
- 28.182 − 96 =
- 29.473 − 48 =
- 30.371 − 57 =
- 31.266 − 87 =
- 32.77 − 57 =
- 33.190 − 58 =
- 34.453 − 28 =
- 35.444 − 67 =
- 36.189 − 89 =
- 37.233 − 86 =
- 38.114 − 17 =
- 39.518 − 66 =
- 40.583 − 19 =
Answer key
- 176
- 518
- 144
- 245
- 489
- 99
- 384
- 260
- 408
- 357
- 244
- 199
- 206
- 100
- 329
- 244
- 444
- 338
- 331
- 224
- 147
- 151
- 272
- 222
- 169
- 409
- 19
- 86
- 425
- 314
- 179
- 20
- 132
- 425
- 377
- 100
- 147
- 97
- 452
- 564
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths