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
- 1.224 − 196 =
- 2.109 − 56 =
- 3.125 − 96 =
- 4.63 − 39 =
- 5.64 − 26 =
- 6.106 − 61 =
- 7.1010 − 986 =
- 8.525 − 498 =
- 9.206 − 191 =
- 10.320 − 277 =
- 11.1012 − 990 =
- 12.514 − 478 =
- 13.215 − 179 =
- 14.327 − 297 =
- 15.303 − 282 =
- 16.229 − 193 =
- 17.111 − 92 =
- 18.113 − 98 =
- 19.127 − 94 =
- 20.528 − 481 =
- 21.213 − 177 =
- 22.228 − 195 =
- 23.1023 − 975 =
- 24.313 − 292 =
- 25.77 − 28 =
- 26.301 − 298 =
- 27.204 − 183 =
- 28.122 − 98 =
- 29.110 − 81 =
- 30.96 − 70 =
- 31.215 − 189 =
- 32.221 − 196 =
- 33.66 − 42 =
- 34.1025 − 984 =
- 35.78 − 48 =
- 36.1011 − 989 =
- 37.53 − 43 =
- 38.65 − 35 =
- 39.113 − 97 =
- 40.505 − 498 =
Answer key
- 28
- 53
- 29
- 24
- 38
- 45
- 24
- 27
- 15
- 43
- 22
- 36
- 36
- 30
- 21
- 36
- 19
- 15
- 33
- 47
- 36
- 33
- 48
- 21
- 49
- 3
- 21
- 24
- 29
- 26
- 26
- 25
- 24
- 41
- 30
- 22
- 10
- 30
- 16
- 7
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths