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
- 1.213 − 187 =
- 2.530 − 486 =
- 3.120 − 85 =
- 4.511 − 489 =
- 5.103 − 68 =
- 6.92 − 68 =
- 7.111 − 82 =
- 8.205 − 190 =
- 9.317 − 276 =
- 10.81 − 55 =
- 11.1004 − 984 =
- 12.93 − 71 =
- 13.322 − 287 =
- 14.62 − 44 =
- 15.70 − 48 =
- 16.126 − 89 =
- 17.82 − 77 =
- 18.107 − 88 =
- 19.69 − 43 =
- 20.77 − 47 =
- 21.126 − 94 =
- 22.103 − 77 =
- 23.526 − 476 =
- 24.208 − 182 =
- 25.528 − 481 =
- 26.330 − 281 =
- 27.223 − 182 =
- 28.530 − 492 =
- 29.317 − 295 =
- 30.91 − 70 =
- 31.1008 − 975 =
- 32.311 − 285 =
- 33.326 − 294 =
- 34.87 − 57 =
- 35.59 − 26 =
- 36.64 − 44 =
- 37.1001 − 990 =
- 38.217 − 175 =
- 39.109 − 95 =
- 40.87 − 66 =
Answer key
- 26
- 44
- 35
- 22
- 35
- 24
- 29
- 15
- 41
- 26
- 20
- 22
- 35
- 18
- 22
- 37
- 5
- 19
- 26
- 30
- 32
- 26
- 50
- 26
- 47
- 49
- 41
- 38
- 22
- 21
- 33
- 26
- 32
- 30
- 33
- 20
- 11
- 42
- 14
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths