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
- 1.71 − 59 =
- 2.83 − 31 =
- 3.58 − 33 =
- 4.66 − 22 =
- 5.97 − 33 =
- 6.52 − 42 =
- 7.65 − 53 =
- 8.86 − 72 =
- 9.86 − 69 =
- 10.88 − 24 =
- 11.74 − 58 =
- 12.80 − 37 =
- 13.89 − 29 =
- 14.93 − 14 =
- 15.82 − 39 =
- 16.98 − 41 =
- 17.88 − 61 =
- 18.61 − 41 =
- 19.54 − 25 =
- 20.52 − 34 =
- 21.94 − 84 =
- 22.53 − 42 =
- 23.65 − 17 =
- 24.88 − 21 =
- 25.66 − 42 =
- 26.94 − 65 =
- 27.99 − 71 =
- 28.54 − 15 =
- 29.96 − 71 =
- 30.70 − 41 =
- 31.81 − 24 =
- 32.64 − 18 =
- 33.57 − 36 =
- 34.78 − 46 =
- 35.65 − 21 =
- 36.90 − 77 =
- 37.82 − 23 =
- 38.66 − 46 =
- 39.55 − 31 =
- 40.79 − 63 =
Answer key
- 12
- 52
- 25
- 44
- 64
- 10
- 12
- 14
- 17
- 64
- 16
- 43
- 60
- 79
- 43
- 57
- 27
- 20
- 29
- 18
- 10
- 11
- 48
- 67
- 24
- 29
- 28
- 39
- 25
- 29
- 57
- 46
- 21
- 32
- 44
- 13
- 59
- 20
- 24
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths