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 − 195 =
- 2.525 − 479 =
- 3.507 − 475 =
- 4.226 − 186 =
- 5.504 − 485 =
- 6.124 − 98 =
- 7.205 − 188 =
- 8.75 − 41 =
- 9.503 − 475 =
- 10.313 − 278 =
- 11.205 − 178 =
- 12.104 − 57 =
- 13.219 − 178 =
- 14.1017 − 994 =
- 15.306 − 293 =
- 16.519 − 494 =
- 17.85 − 78 =
- 18.211 − 192 =
- 19.60 − 28 =
- 20.509 − 477 =
- 21.215 − 193 =
- 22.302 − 284 =
- 23.517 − 498 =
- 24.1001 − 990 =
- 25.302 − 282 =
- 26.1001 − 996 =
- 27.112 − 94 =
- 28.228 − 196 =
- 29.518 − 495 =
- 30.321 − 281 =
- 31.67 − 44 =
- 32.101 − 55 =
- 33.92 − 78 =
- 34.82 − 74 =
- 35.121 − 86 =
- 36.57 − 47 =
- 37.108 − 82 =
- 38.77 − 39 =
- 39.221 − 195 =
- 40.503 − 492 =
Answer key
- 21
- 46
- 32
- 40
- 19
- 26
- 17
- 34
- 28
- 35
- 27
- 47
- 41
- 23
- 13
- 25
- 7
- 19
- 32
- 32
- 22
- 18
- 19
- 11
- 20
- 5
- 18
- 32
- 23
- 40
- 23
- 46
- 14
- 8
- 35
- 10
- 26
- 38
- 26
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths