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
- 1.310 − 276 =
- 2.510 − 478 =
- 3.328 − 277 =
- 4.528 − 496 =
- 5.222 − 191 =
- 6.320 − 276 =
- 7.99 − 61 =
- 8.1021 − 985 =
- 9.77 − 32 =
- 10.109 − 95 =
- 11.124 − 98 =
- 12.82 − 60 =
- 13.1016 − 991 =
- 14.314 − 296 =
- 15.112 − 92 =
- 16.204 − 179 =
- 17.55 − 41 =
- 18.226 − 196 =
- 19.326 − 279 =
- 20.103 − 77 =
- 21.104 − 86 =
- 22.110 − 90 =
- 23.1007 − 977 =
- 24.1024 − 976 =
- 25.1003 − 992 =
- 26.526 − 478 =
- 27.52 − 47 =
- 28.76 − 41 =
- 29.110 − 65 =
- 30.509 − 488 =
- 31.321 − 284 =
- 32.1007 − 992 =
- 33.68 − 27 =
- 34.86 − 60 =
- 35.1025 − 979 =
- 36.102 − 85 =
- 37.101 − 74 =
- 38.57 − 35 =
- 39.222 − 188 =
- 40.214 − 183 =
Answer key
- 34
- 32
- 51
- 32
- 31
- 44
- 38
- 36
- 45
- 14
- 26
- 22
- 25
- 18
- 20
- 25
- 14
- 30
- 47
- 26
- 18
- 20
- 30
- 48
- 11
- 48
- 5
- 35
- 45
- 21
- 37
- 15
- 41
- 26
- 46
- 17
- 27
- 22
- 34
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths