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
- 1.207 − 196 =
- 2.1007 − 997 =
- 3.64 − 37 =
- 4.96 − 71 =
- 5.126 − 81 =
- 6.326 − 277 =
- 7.320 − 291 =
- 8.321 − 292 =
- 9.224 − 187 =
- 10.504 − 481 =
- 11.72 − 47 =
- 12.521 − 493 =
- 13.326 − 295 =
- 14.73 − 39 =
- 15.74 − 44 =
- 16.1004 − 994 =
- 17.316 − 286 =
- 18.505 − 486 =
- 19.328 − 287 =
- 20.519 − 484 =
- 21.204 − 193 =
- 22.523 − 480 =
- 23.83 − 77 =
- 24.53 − 37 =
- 25.105 − 91 =
- 26.219 − 176 =
- 27.104 − 73 =
- 28.57 − 32 =
- 29.123 − 82 =
- 30.85 − 65 =
- 31.108 − 90 =
- 32.319 − 294 =
- 33.103 − 55 =
- 34.211 − 176 =
- 35.208 − 198 =
- 36.71 − 38 =
- 37.120 − 96 =
- 38.303 − 289 =
- 39.118 − 78 =
- 40.87 − 77 =
Answer key
- 11
- 10
- 27
- 25
- 45
- 49
- 29
- 29
- 37
- 23
- 25
- 28
- 31
- 34
- 30
- 10
- 30
- 19
- 41
- 35
- 11
- 43
- 6
- 16
- 14
- 43
- 31
- 25
- 41
- 20
- 18
- 25
- 48
- 35
- 10
- 33
- 24
- 14
- 40
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths