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
- 1.94 − 31 =
- 2.97 − 51 =
- 3.52 − 15 =
- 4.84 − 37 =
- 5.95 − 37 =
- 6.61 − 36 =
- 7.96 − 21 =
- 8.65 − 41 =
- 9.84 − 28 =
- 10.80 − 25 =
- 11.69 − 27 =
- 12.74 − 43 =
- 13.72 − 44 =
- 14.59 − 23 =
- 15.56 − 38 =
- 16.95 − 32 =
- 17.88 − 24 =
- 18.75 − 24 =
- 19.89 − 21 =
- 20.92 − 63 =
- 21.87 − 57 =
- 22.74 − 57 =
- 23.57 − 28 =
- 24.81 − 46 =
- 25.66 − 46 =
- 26.99 − 13 =
- 27.67 − 35 =
- 28.97 − 53 =
- 29.93 − 61 =
- 30.89 − 14 =
- 31.57 − 25 =
- 32.84 − 35 =
- 33.99 − 34 =
- 34.59 − 25 =
- 35.83 − 16 =
- 36.67 − 15 =
- 37.81 − 18 =
- 38.90 − 56 =
- 39.62 − 34 =
- 40.71 − 53 =
Answer key
- 63
- 46
- 37
- 47
- 58
- 25
- 75
- 24
- 56
- 55
- 42
- 31
- 28
- 36
- 18
- 63
- 64
- 51
- 68
- 29
- 30
- 17
- 29
- 35
- 20
- 86
- 32
- 44
- 32
- 75
- 32
- 49
- 65
- 34
- 67
- 52
- 63
- 34
- 28
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths