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
- 1.56 − 24 =
- 2.52 − 23 =
- 3.61 − 31 =
- 4.97 − 31 =
- 5.94 − 52 =
- 6.78 − 41 =
- 7.63 − 41 =
- 8.55 − 28 =
- 9.80 − 69 =
- 10.73 − 46 =
- 11.84 − 41 =
- 12.78 − 32 =
- 13.62 − 41 =
- 14.53 − 33 =
- 15.64 − 35 =
- 16.61 − 41 =
- 17.72 − 47 =
- 18.89 − 15 =
- 19.85 − 58 =
- 20.70 − 39 =
- 21.94 − 23 =
- 22.78 − 15 =
- 23.81 − 38 =
- 24.81 − 65 =
- 25.60 − 25 =
- 26.52 − 36 =
- 27.61 − 42 =
- 28.72 − 14 =
- 29.72 − 16 =
- 30.99 − 48 =
- 31.65 − 13 =
- 32.55 − 21 =
- 33.64 − 45 =
- 34.64 − 16 =
- 35.70 − 53 =
- 36.63 − 32 =
- 37.90 − 21 =
- 38.61 − 32 =
- 39.98 − 33 =
- 40.62 − 34 =
Answer key
- 32
- 29
- 30
- 66
- 42
- 37
- 22
- 27
- 11
- 27
- 43
- 46
- 21
- 20
- 29
- 20
- 25
- 74
- 27
- 31
- 71
- 63
- 43
- 16
- 35
- 16
- 19
- 58
- 56
- 51
- 52
- 34
- 19
- 48
- 17
- 31
- 69
- 29
- 65
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths