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
- 1.202 − 176 =
- 2.220 − 183 =
- 3.108 − 75 =
- 4.1026 − 989 =
- 5.54 − 40 =
- 6.109 − 92 =
- 7.213 − 195 =
- 8.91 − 64 =
- 9.230 − 183 =
- 10.59 − 41 =
- 11.91 − 57 =
- 12.519 − 498 =
- 13.126 − 75 =
- 14.1021 − 997 =
- 15.527 − 475 =
- 16.51 − 35 =
- 17.71 − 36 =
- 18.115 − 83 =
- 19.103 − 81 =
- 20.93 − 78 =
- 21.329 − 295 =
- 22.64 − 44 =
- 23.204 − 197 =
- 24.59 − 44 =
- 25.1013 − 978 =
- 26.215 − 188 =
- 27.56 − 28 =
- 28.222 − 186 =
- 29.1003 − 989 =
- 30.222 − 180 =
- 31.107 − 90 =
- 32.511 − 492 =
- 33.307 − 293 =
- 34.118 − 96 =
- 35.218 − 185 =
- 36.60 − 28 =
- 37.206 − 198 =
- 38.103 − 86 =
- 39.64 − 47 =
- 40.59 − 31 =
Answer key
- 26
- 37
- 33
- 37
- 14
- 17
- 18
- 27
- 47
- 18
- 34
- 21
- 51
- 24
- 52
- 16
- 35
- 32
- 22
- 15
- 34
- 20
- 7
- 15
- 35
- 27
- 28
- 36
- 14
- 42
- 17
- 19
- 14
- 22
- 33
- 32
- 8
- 17
- 17
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths