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
- 1.112 − 94 =
- 2.76 − 38 =
- 3.303 − 291 =
- 4.517 − 498 =
- 5.74 − 44 =
- 6.302 − 282 =
- 7.509 − 484 =
- 8.316 − 275 =
- 9.108 − 70 =
- 10.1022 − 998 =
- 11.76 − 36 =
- 12.221 − 188 =
- 13.125 − 84 =
- 14.89 − 59 =
- 15.1018 − 989 =
- 16.1006 − 987 =
- 17.68 − 31 =
- 18.307 − 284 =
- 19.117 − 83 =
- 20.89 − 76 =
- 21.212 − 187 =
- 22.59 − 25 =
- 23.103 − 71 =
- 24.511 − 490 =
- 25.71 − 27 =
- 26.1001 − 984 =
- 27.1011 − 997 =
- 28.203 − 196 =
- 29.507 − 487 =
- 30.516 − 491 =
- 31.98 − 55 =
- 32.53 − 42 =
- 33.67 − 27 =
- 34.1007 − 994 =
- 35.529 − 492 =
- 36.65 − 45 =
- 37.525 − 495 =
- 38.205 − 197 =
- 39.209 − 195 =
- 40.307 − 281 =
Answer key
- 18
- 38
- 12
- 19
- 30
- 20
- 25
- 41
- 38
- 24
- 40
- 33
- 41
- 30
- 29
- 19
- 37
- 23
- 34
- 13
- 25
- 34
- 32
- 21
- 44
- 17
- 14
- 7
- 20
- 25
- 43
- 11
- 40
- 13
- 37
- 20
- 30
- 8
- 14
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths