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
- 1.121 − 76 =
- 2.289 − 76 =
- 3.280 − 17 =
- 4.527 − 58 =
- 5.579 − 97 =
- 6.259 − 19 =
- 7.378 − 58 =
- 8.362 − 88 =
- 9.187 − 87 =
- 10.193 − 38 =
- 11.208 − 28 =
- 12.138 − 47 =
- 13.506 − 27 =
- 14.499 − 46 =
- 15.476 − 16 =
- 16.97 − 27 =
- 17.512 − 76 =
- 18.360 − 78 =
- 19.372 − 27 =
- 20.292 − 19 =
- 21.270 − 79 =
- 22.455 − 99 =
- 23.562 − 28 =
- 24.105 − 46 =
- 25.416 − 57 =
- 26.495 − 77 =
- 27.198 − 98 =
- 28.431 − 46 =
- 29.236 − 98 =
- 30.277 − 56 =
- 31.483 − 56 =
- 32.505 − 27 =
- 33.202 − 76 =
- 34.189 − 67 =
- 35.306 − 29 =
- 36.208 − 88 =
- 37.395 − 36 =
- 38.241 − 76 =
- 39.241 − 17 =
- 40.463 − 17 =
Answer key
- 45
- 213
- 263
- 469
- 482
- 240
- 320
- 274
- 100
- 155
- 180
- 91
- 479
- 453
- 460
- 70
- 436
- 282
- 345
- 273
- 191
- 356
- 534
- 59
- 359
- 418
- 100
- 385
- 138
- 221
- 427
- 478
- 126
- 122
- 277
- 120
- 359
- 165
- 224
- 446
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths