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
- 1.96 − 39 =
- 2.64 − 16 =
- 3.59 − 22 =
- 4.85 − 17 =
- 5.65 − 31 =
- 6.60 − 47 =
- 7.63 − 21 =
- 8.65 − 51 =
- 9.55 − 18 =
- 10.62 − 51 =
- 11.98 − 31 =
- 12.91 − 73 =
- 13.97 − 66 =
- 14.72 − 15 =
- 15.54 − 37 =
- 16.69 − 18 =
- 17.96 − 42 =
- 18.61 − 31 =
- 19.84 − 31 =
- 20.78 − 64 =
- 21.60 − 15 =
- 22.69 − 49 =
- 23.68 − 33 =
- 24.70 − 28 =
- 25.82 − 56 =
- 26.55 − 34 =
- 27.63 − 36 =
- 28.84 − 22 =
- 29.73 − 56 =
- 30.83 − 59 =
- 31.89 − 56 =
- 32.84 − 41 =
- 33.63 − 43 =
- 34.64 − 12 =
- 35.58 − 19 =
- 36.93 − 81 =
- 37.96 − 46 =
- 38.88 − 71 =
- 39.98 − 83 =
- 40.98 − 58 =
Answer key
- 57
- 48
- 37
- 68
- 34
- 13
- 42
- 14
- 37
- 11
- 67
- 18
- 31
- 57
- 17
- 51
- 54
- 30
- 53
- 14
- 45
- 20
- 35
- 42
- 26
- 21
- 27
- 62
- 17
- 24
- 33
- 43
- 20
- 52
- 39
- 12
- 50
- 17
- 15
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths