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
- 1.60 − 37 =
- 2.81 − 42 =
- 3.77 − 22 =
- 4.94 − 47 =
- 5.90 − 63 =
- 6.58 − 25 =
- 7.94 − 63 =
- 8.86 − 22 =
- 9.97 − 18 =
- 10.76 − 61 =
- 11.81 − 53 =
- 12.55 − 21 =
- 13.79 − 53 =
- 14.57 − 32 =
- 15.52 − 34 =
- 16.81 − 39 =
- 17.93 − 66 =
- 18.85 − 14 =
- 19.85 − 31 =
- 20.58 − 39 =
- 21.90 − 31 =
- 22.68 − 57 =
- 23.66 − 56 =
- 24.71 − 56 =
- 25.83 − 31 =
- 26.94 − 43 =
- 27.73 − 14 =
- 28.72 − 23 =
- 29.85 − 44 =
- 30.96 − 51 =
- 31.60 − 44 =
- 32.59 − 41 =
- 33.66 − 54 =
- 34.79 − 12 =
- 35.54 − 12 =
- 36.68 − 31 =
- 37.63 − 25 =
- 38.75 − 17 =
- 39.62 − 37 =
- 40.84 − 41 =
Answer key
- 23
- 39
- 55
- 47
- 27
- 33
- 31
- 64
- 79
- 15
- 28
- 34
- 26
- 25
- 18
- 42
- 27
- 71
- 54
- 19
- 59
- 11
- 10
- 15
- 52
- 51
- 59
- 49
- 41
- 45
- 16
- 18
- 12
- 67
- 42
- 37
- 38
- 58
- 25
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths