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
- 1.224 − 192 =
- 2.212 − 183 =
- 3.210 − 186 =
- 4.81 − 74 =
- 5.227 − 176 =
- 6.316 − 280 =
- 7.82 − 66 =
- 8.315 − 293 =
- 9.105 − 76 =
- 10.64 − 41 =
- 11.1028 − 992 =
- 12.517 − 495 =
- 13.78 − 27 =
- 14.129 − 81 =
- 15.66 − 40 =
- 16.214 − 185 =
- 17.223 − 195 =
- 18.103 − 88 =
- 19.326 − 289 =
- 20.1013 − 986 =
- 21.503 − 497 =
- 22.304 − 283 =
- 23.72 − 28 =
- 24.89 − 72 =
- 25.85 − 59 =
- 26.506 − 479 =
- 27.87 − 63 =
- 28.512 − 480 =
- 29.206 − 190 =
- 30.513 − 484 =
- 31.1009 − 976 =
- 32.1019 − 993 =
- 33.218 − 191 =
- 34.207 − 197 =
- 35.89 − 71 =
- 36.215 − 186 =
- 37.97 − 73 =
- 38.62 − 40 =
- 39.94 − 63 =
- 40.85 − 70 =
Answer key
- 32
- 29
- 24
- 7
- 51
- 36
- 16
- 22
- 29
- 23
- 36
- 22
- 51
- 48
- 26
- 29
- 28
- 15
- 37
- 27
- 6
- 21
- 44
- 17
- 26
- 27
- 24
- 32
- 16
- 29
- 33
- 26
- 27
- 10
- 18
- 29
- 24
- 22
- 31
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths