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
- 1.81 − 42 =
- 2.54 − 43 =
- 3.82 − 31 =
- 4.64 − 41 =
- 5.76 − 31 =
- 6.94 − 65 =
- 7.79 − 37 =
- 8.93 − 23 =
- 9.61 − 27 =
- 10.88 − 67 =
- 11.92 − 37 =
- 12.56 − 33 =
- 13.99 − 21 =
- 14.54 − 12 =
- 15.84 − 39 =
- 16.63 − 45 =
- 17.98 − 43 =
- 18.78 − 43 =
- 19.84 − 33 =
- 20.84 − 56 =
- 21.98 − 68 =
- 22.57 − 14 =
- 23.62 − 33 =
- 24.83 − 25 =
- 25.76 − 41 =
- 26.65 − 52 =
- 27.90 − 66 =
- 28.81 − 56 =
- 29.66 − 41 =
- 30.85 − 19 =
- 31.53 − 43 =
- 32.78 − 17 =
- 33.84 − 32 =
- 34.52 − 33 =
- 35.91 − 18 =
- 36.72 − 25 =
- 37.79 − 63 =
- 38.69 − 52 =
- 39.58 − 29 =
- 40.54 − 31 =
Answer key
- 39
- 11
- 51
- 23
- 45
- 29
- 42
- 70
- 34
- 21
- 55
- 23
- 78
- 42
- 45
- 18
- 55
- 35
- 51
- 28
- 30
- 43
- 29
- 58
- 35
- 13
- 24
- 25
- 25
- 66
- 10
- 61
- 52
- 19
- 73
- 47
- 16
- 17
- 29
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths