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
- 1.69 − 37 =
- 2.55 − 43 =
- 3.52 − 21 =
- 4.81 − 19 =
- 5.73 − 52 =
- 6.69 − 34 =
- 7.71 − 41 =
- 8.54 − 41 =
- 9.54 − 34 =
- 10.54 − 28 =
- 11.95 − 23 =
- 12.85 − 61 =
- 13.71 − 51 =
- 14.99 − 23 =
- 15.82 − 51 =
- 16.92 − 66 =
- 17.88 − 31 =
- 18.67 − 42 =
- 19.68 − 58 =
- 20.90 − 43 =
- 21.95 − 85 =
- 22.87 − 28 =
- 23.95 − 52 =
- 24.90 − 24 =
- 25.60 − 46 =
- 26.62 − 47 =
- 27.78 − 13 =
- 28.57 − 34 =
- 29.84 − 31 =
- 30.95 − 43 =
- 31.65 − 19 =
- 32.67 − 51 =
- 33.85 − 21 =
- 34.65 − 45 =
- 35.99 − 78 =
- 36.76 − 39 =
- 37.62 − 22 =
- 38.65 − 44 =
- 39.55 − 44 =
- 40.60 − 42 =
Answer key
- 32
- 12
- 31
- 62
- 21
- 35
- 30
- 13
- 20
- 26
- 72
- 24
- 20
- 76
- 31
- 26
- 57
- 25
- 10
- 47
- 10
- 59
- 43
- 66
- 14
- 15
- 65
- 23
- 53
- 52
- 46
- 16
- 64
- 20
- 21
- 37
- 40
- 21
- 11
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths