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
- 1.92 − 57 =
- 2.518 − 493 =
- 3.112 − 96 =
- 4.111 − 89 =
- 5.66 − 47 =
- 6.229 − 183 =
- 7.59 − 37 =
- 8.301 − 279 =
- 9.124 − 84 =
- 10.95 − 73 =
- 11.99 − 59 =
- 12.517 − 483 =
- 13.1010 − 983 =
- 14.327 − 293 =
- 15.88 − 56 =
- 16.100 − 69 =
- 17.301 − 278 =
- 18.51 − 30 =
- 19.319 − 291 =
- 20.218 − 184 =
- 21.129 − 83 =
- 22.109 − 80 =
- 23.205 − 178 =
- 24.219 − 197 =
- 25.122 − 76 =
- 26.515 − 485 =
- 27.57 − 28 =
- 28.105 − 91 =
- 29.530 − 491 =
- 30.320 − 278 =
- 31.57 − 47 =
- 32.62 − 48 =
- 33.326 − 286 =
- 34.85 − 78 =
- 35.509 − 478 =
- 36.100 − 64 =
- 37.98 − 57 =
- 38.304 − 292 =
- 39.96 − 74 =
- 40.517 − 480 =
Answer key
- 35
- 25
- 16
- 22
- 19
- 46
- 22
- 22
- 40
- 22
- 40
- 34
- 27
- 34
- 32
- 31
- 23
- 21
- 28
- 34
- 46
- 29
- 27
- 22
- 46
- 30
- 29
- 14
- 39
- 42
- 10
- 14
- 40
- 7
- 31
- 36
- 41
- 12
- 22
- 37
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths