Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.53 − 17 =
- 2.85 − 14 =
- 3.80 − 69 =
- 4.61 − 29 =
- 5.86 − 46 =
- 6.74 − 21 =
- 7.93 − 77 =
- 8.88 − 21 =
- 9.52 − 18 =
- 10.80 − 27 =
- 11.63 − 31 =
- 12.74 − 53 =
- 13.65 − 26 =
- 14.80 − 52 =
- 15.80 − 37 =
- 16.70 − 41 =
- 17.87 − 66 =
- 18.68 − 49 =
- 19.96 − 34 =
- 20.90 − 66 =
- 21.56 − 14 =
- 22.89 − 39 =
- 23.86 − 68 =
- 24.78 − 45 =
- 25.89 − 52 =
- 26.64 − 52 =
- 27.85 − 49 =
- 28.98 − 33 =
- 29.78 − 26 =
- 30.79 − 22 =
- 31.96 − 51 =
- 32.70 − 57 =
- 33.86 − 44 =
- 34.73 − 26 =
- 35.57 − 46 =
- 36.78 − 47 =
- 37.57 − 13 =
- 38.62 − 16 =
- 39.62 − 44 =
- 40.90 − 71 =
Answer key
- 36
- 71
- 11
- 32
- 40
- 53
- 16
- 67
- 34
- 53
- 32
- 21
- 39
- 28
- 43
- 29
- 21
- 19
- 62
- 24
- 42
- 50
- 18
- 33
- 37
- 12
- 36
- 65
- 52
- 57
- 45
- 13
- 42
- 47
- 11
- 31
- 44
- 46
- 18
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths