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
- 1.309 − 276 =
- 2.76 − 45 =
- 3.108 − 78 =
- 4.215 − 197 =
- 5.322 − 295 =
- 6.88 − 65 =
- 7.325 − 292 =
- 8.325 − 282 =
- 9.517 − 497 =
- 10.1013 − 990 =
- 11.80 − 43 =
- 12.102 − 63 =
- 13.528 − 483 =
- 14.55 − 30 =
- 15.1011 − 992 =
- 16.326 − 297 =
- 17.318 − 286 =
- 18.1008 − 987 =
- 19.127 − 85 =
- 20.1004 − 995 =
- 21.228 − 195 =
- 22.1004 − 977 =
- 23.84 − 71 =
- 24.1014 − 998 =
- 25.90 − 62 =
- 26.302 − 279 =
- 27.118 − 79 =
- 28.82 − 67 =
- 29.103 − 60 =
- 30.201 − 195 =
- 31.1011 − 983 =
- 32.91 − 60 =
- 33.522 − 477 =
- 34.315 − 280 =
- 35.1026 − 980 =
- 36.208 − 178 =
- 37.1002 − 991 =
- 38.1017 − 975 =
- 39.312 − 295 =
- 40.77 − 38 =
Answer key
- 33
- 31
- 30
- 18
- 27
- 23
- 33
- 43
- 20
- 23
- 37
- 39
- 45
- 25
- 19
- 29
- 32
- 21
- 42
- 9
- 33
- 27
- 13
- 16
- 28
- 23
- 39
- 15
- 43
- 6
- 28
- 31
- 45
- 35
- 46
- 30
- 11
- 42
- 17
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths