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
- 1.104 − 95 =
- 2.301 − 296 =
- 3.206 − 198 =
- 4.80 − 34 =
- 5.509 − 493 =
- 6.69 − 48 =
- 7.115 − 86 =
- 8.518 − 493 =
- 9.108 − 73 =
- 10.95 − 75 =
- 11.88 − 74 =
- 12.212 − 176 =
- 13.501 − 493 =
- 14.221 − 180 =
- 15.218 − 195 =
- 16.73 − 38 =
- 17.201 − 176 =
- 18.225 − 198 =
- 19.501 − 477 =
- 20.506 − 495 =
- 21.1021 − 988 =
- 22.213 − 193 =
- 23.1028 − 991 =
- 24.504 − 479 =
- 25.203 − 193 =
- 26.65 − 30 =
- 27.524 − 493 =
- 28.217 − 194 =
- 29.530 − 477 =
- 30.324 − 292 =
- 31.205 − 184 =
- 32.1026 − 986 =
- 33.220 − 191 =
- 34.59 − 37 =
- 35.51 − 40 =
- 36.504 − 489 =
- 37.529 − 496 =
- 38.515 − 498 =
- 39.130 − 96 =
- 40.520 − 475 =
Answer key
- 9
- 5
- 8
- 46
- 16
- 21
- 29
- 25
- 35
- 20
- 14
- 36
- 8
- 41
- 23
- 35
- 25
- 27
- 24
- 11
- 33
- 20
- 37
- 25
- 10
- 35
- 31
- 23
- 53
- 32
- 21
- 40
- 29
- 22
- 11
- 15
- 33
- 17
- 34
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths