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
- 1.1003 − 996 =
- 2.100 − 59 =
- 3.101 − 61 =
- 4.125 − 76 =
- 5.101 − 74 =
- 6.230 − 178 =
- 7.510 − 483 =
- 8.220 − 191 =
- 9.504 − 482 =
- 10.126 − 77 =
- 11.112 − 85 =
- 12.1016 − 979 =
- 13.301 − 294 =
- 14.302 − 285 =
- 15.1012 − 994 =
- 16.78 − 32 =
- 17.304 − 281 =
- 18.122 − 81 =
- 19.1026 − 986 =
- 20.83 − 73 =
- 21.70 − 39 =
- 22.113 − 79 =
- 23.97 − 70 =
- 24.56 − 31 =
- 25.217 − 187 =
- 26.227 − 189 =
- 27.314 − 281 =
- 28.1024 − 993 =
- 29.326 − 281 =
- 30.84 − 78 =
- 31.57 − 29 =
- 32.211 − 175 =
- 33.204 − 180 =
- 34.523 − 476 =
- 35.97 − 63 =
- 36.501 − 491 =
- 37.88 − 68 =
- 38.320 − 296 =
- 39.1019 − 994 =
- 40.82 − 72 =
Answer key
- 7
- 41
- 40
- 49
- 27
- 52
- 27
- 29
- 22
- 49
- 27
- 37
- 7
- 17
- 18
- 46
- 23
- 41
- 40
- 10
- 31
- 34
- 27
- 25
- 30
- 38
- 33
- 31
- 45
- 6
- 28
- 36
- 24
- 47
- 34
- 10
- 20
- 24
- 25
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths