Subtraction by Counting Up Worksheet
How to do it in your head (Count up): Start at the smaller number. Jump to the next ten, then the next hundred, then to the bigger number. Add up all the jumps.
NameDateTime takenScore ___ / 40
- 1.216 − 181 =
- 2.1001 − 976 =
- 3.94 − 58 =
- 4.91 − 76 =
- 5.67 − 44 =
- 6.511 − 492 =
- 7.76 − 36 =
- 8.322 − 295 =
- 9.307 − 289 =
- 10.53 − 29 =
- 11.308 − 295 =
- 12.215 − 195 =
- 13.527 − 475 =
- 14.94 − 74 =
- 15.1016 − 997 =
- 16.1025 − 992 =
- 17.86 − 59 =
- 18.517 − 491 =
- 19.319 − 284 =
- 20.97 − 72 =
- 21.53 − 27 =
- 22.214 − 195 =
- 23.60 − 30 =
- 24.215 − 186 =
- 25.1013 − 997 =
- 26.89 − 56 =
- 27.310 − 296 =
- 28.82 − 75 =
- 29.98 − 61 =
- 30.515 − 478 =
- 31.1021 − 997 =
- 32.217 − 191 =
- 33.213 − 195 =
- 34.517 − 498 =
- 35.108 − 72 =
- 36.1004 − 987 =
- 37.70 − 37 =
- 38.518 − 496 =
- 39.69 − 40 =
- 40.518 − 482 =
Answer key
- 35
- 25
- 36
- 15
- 23
- 19
- 40
- 27
- 18
- 24
- 13
- 20
- 52
- 20
- 19
- 33
- 27
- 26
- 35
- 25
- 26
- 19
- 30
- 29
- 16
- 33
- 14
- 7
- 37
- 37
- 24
- 26
- 18
- 19
- 36
- 17
- 33
- 22
- 29
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths