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
- 1.303 − 96 =
- 2.487 − 67 =
- 3.552 − 19 =
- 4.501 − 76 =
- 5.497 − 58 =
- 6.227 − 77 =
- 7.450 − 49 =
- 8.361 − 66 =
- 9.70 − 47 =
- 10.560 − 99 =
- 11.120 − 36 =
- 12.366 − 19 =
- 13.331 − 29 =
- 14.183 − 89 =
- 15.250 − 28 =
- 16.584 − 38 =
- 17.500 − 27 =
- 18.374 − 77 =
- 19.218 − 59 =
- 20.213 − 56 =
- 21.597 − 47 =
- 22.394 − 96 =
- 23.312 − 29 =
- 24.183 − 87 =
- 25.255 − 47 =
- 26.127 − 78 =
- 27.369 − 48 =
- 28.99 − 97 =
- 29.287 − 19 =
- 30.370 − 17 =
- 31.433 − 38 =
- 32.546 − 67 =
- 33.485 − 26 =
- 34.164 − 68 =
- 35.304 − 58 =
- 36.445 − 26 =
- 37.373 − 79 =
- 38.170 − 86 =
- 39.246 − 27 =
- 40.121 − 46 =
Answer key
- 207
- 420
- 533
- 425
- 439
- 150
- 401
- 295
- 23
- 461
- 84
- 347
- 302
- 94
- 222
- 546
- 473
- 297
- 159
- 157
- 550
- 298
- 283
- 96
- 208
- 49
- 321
- 2
- 268
- 353
- 395
- 479
- 459
- 96
- 246
- 419
- 294
- 84
- 219
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths