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
- 1.430 − 77 =
- 2.258 − 97 =
- 3.522 − 37 =
- 4.590 − 49 =
- 5.490 − 16 =
- 6.135 − 39 =
- 7.261 − 29 =
- 8.306 − 66 =
- 9.105 − 38 =
- 10.280 − 48 =
- 11.335 − 76 =
- 12.82 − 39 =
- 13.362 − 89 =
- 14.300 − 39 =
- 15.258 − 58 =
- 16.520 − 99 =
- 17.249 − 46 =
- 18.468 − 76 =
- 19.201 − 37 =
- 20.323 − 76 =
- 21.175 − 86 =
- 22.89 − 86 =
- 23.155 − 97 =
- 24.266 − 59 =
- 25.287 − 76 =
- 26.164 − 86 =
- 27.292 − 29 =
- 28.492 − 66 =
- 29.372 − 19 =
- 30.523 − 58 =
- 31.546 − 38 =
- 32.186 − 88 =
- 33.315 − 39 =
- 34.416 − 47 =
- 35.478 − 37 =
- 36.172 − 88 =
- 37.302 − 76 =
- 38.176 − 97 =
- 39.578 − 79 =
- 40.537 − 29 =
Answer key
- 353
- 161
- 485
- 541
- 474
- 96
- 232
- 240
- 67
- 232
- 259
- 43
- 273
- 261
- 200
- 421
- 203
- 392
- 164
- 247
- 89
- 3
- 58
- 207
- 211
- 78
- 263
- 426
- 353
- 465
- 508
- 98
- 276
- 369
- 441
- 84
- 226
- 79
- 499
- 508
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths