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 − 21 =
- 2.92 − 32 =
- 3.82 − 24 =
- 4.87 − 61 =
- 5.84 − 48 =
- 6.84 − 15 =
- 7.56 − 35 =
- 8.79 − 31 =
- 9.68 − 45 =
- 10.58 − 28 =
- 11.62 − 37 =
- 12.76 − 52 =
- 13.90 − 61 =
- 14.99 − 15 =
- 15.70 − 41 =
- 16.53 − 37 =
- 17.78 − 41 =
- 18.83 − 61 =
- 19.69 − 17 =
- 20.85 − 45 =
- 21.52 − 39 =
- 22.78 − 15 =
- 23.87 − 35 =
- 24.82 − 71 =
- 25.76 − 37 =
- 26.58 − 36 =
- 27.86 − 59 =
- 28.87 − 62 =
- 29.97 − 62 =
- 30.85 − 56 =
- 31.86 − 16 =
- 32.99 − 48 =
- 33.94 − 41 =
- 34.65 − 28 =
- 35.99 − 54 =
- 36.66 − 47 =
- 37.58 − 39 =
- 38.98 − 88 =
- 39.94 − 16 =
- 40.97 − 86 =
Answer key
- 50
- 60
- 58
- 26
- 36
- 69
- 21
- 48
- 23
- 30
- 25
- 24
- 29
- 84
- 29
- 16
- 37
- 22
- 52
- 40
- 13
- 63
- 52
- 11
- 39
- 22
- 27
- 25
- 35
- 29
- 70
- 51
- 53
- 37
- 45
- 19
- 19
- 10
- 78
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths