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
- 1.1025 − 992 =
- 2.101 − 86 =
- 3.218 − 175 =
- 4.109 − 84 =
- 5.224 − 194 =
- 6.1015 − 996 =
- 7.518 − 492 =
- 8.113 − 79 =
- 9.226 − 197 =
- 10.97 − 59 =
- 11.89 − 70 =
- 12.81 − 65 =
- 13.1008 − 983 =
- 14.207 − 186 =
- 15.506 − 497 =
- 16.51 − 28 =
- 17.222 − 177 =
- 18.510 − 479 =
- 19.1007 − 995 =
- 20.75 − 37 =
- 21.102 − 72 =
- 22.101 − 66 =
- 23.204 − 192 =
- 24.330 − 294 =
- 25.328 − 293 =
- 26.1016 − 992 =
- 27.53 − 42 =
- 28.523 − 488 =
- 29.524 − 494 =
- 30.1025 − 977 =
- 31.1018 − 988 =
- 32.1026 − 991 =
- 33.303 − 285 =
- 34.85 − 68 =
- 35.59 − 47 =
- 36.206 − 196 =
- 37.517 − 483 =
- 38.226 − 195 =
- 39.87 − 76 =
- 40.313 − 293 =
Answer key
- 33
- 15
- 43
- 25
- 30
- 19
- 26
- 34
- 29
- 38
- 19
- 16
- 25
- 21
- 9
- 23
- 45
- 31
- 12
- 38
- 30
- 35
- 12
- 36
- 35
- 24
- 11
- 35
- 30
- 48
- 30
- 35
- 18
- 17
- 12
- 10
- 34
- 31
- 11
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths