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
- 1.203 − 195 =
- 2.504 − 496 =
- 3.76 − 39 =
- 4.103 − 92 =
- 5.1024 − 989 =
- 6.207 − 181 =
- 7.87 − 58 =
- 8.1016 − 979 =
- 9.306 − 278 =
- 10.228 − 195 =
- 11.104 − 58 =
- 12.1004 − 997 =
- 13.101 − 93 =
- 14.83 − 70 =
- 15.501 − 496 =
- 16.526 − 488 =
- 17.89 − 60 =
- 18.51 − 32 =
- 19.62 − 37 =
- 20.92 − 59 =
- 21.1012 − 983 =
- 22.124 − 97 =
- 23.214 − 187 =
- 24.119 − 77 =
- 25.213 − 182 =
- 26.80 − 31 =
- 27.126 − 96 =
- 28.117 − 82 =
- 29.110 − 64 =
- 30.310 − 277 =
- 31.123 − 96 =
- 32.109 − 96 =
- 33.82 − 73 =
- 34.108 − 84 =
- 35.94 − 58 =
- 36.1024 − 979 =
- 37.105 − 92 =
- 38.317 − 295 =
- 39.100 − 78 =
- 40.1002 − 976 =
Answer key
- 8
- 8
- 37
- 11
- 35
- 26
- 29
- 37
- 28
- 33
- 46
- 7
- 8
- 13
- 5
- 38
- 29
- 19
- 25
- 33
- 29
- 27
- 27
- 42
- 31
- 49
- 30
- 35
- 46
- 33
- 27
- 13
- 9
- 24
- 36
- 45
- 13
- 22
- 22
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths