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
- 1.53 − 12 =
- 2.79 − 62 =
- 3.84 − 51 =
- 4.64 − 52 =
- 5.90 − 33 =
- 6.65 − 12 =
- 7.93 − 18 =
- 8.97 − 43 =
- 9.84 − 24 =
- 10.59 − 37 =
- 11.96 − 42 =
- 12.57 − 31 =
- 13.57 − 16 =
- 14.92 − 64 =
- 15.98 − 87 =
- 16.74 − 44 =
- 17.90 − 14 =
- 18.89 − 46 =
- 19.67 − 35 =
- 20.71 − 29 =
- 21.54 − 34 =
- 22.68 − 27 =
- 23.90 − 48 =
- 24.64 − 26 =
- 25.86 − 32 =
- 26.94 − 39 =
- 27.87 − 63 =
- 28.77 − 15 =
- 29.62 − 21 =
- 30.57 − 36 =
- 31.57 − 19 =
- 32.75 − 41 =
- 33.91 − 51 =
- 34.67 − 52 =
- 35.81 − 56 =
- 36.78 − 66 =
- 37.82 − 21 =
- 38.54 − 38 =
- 39.85 − 61 =
- 40.60 − 21 =
Answer key
- 41
- 17
- 33
- 12
- 57
- 53
- 75
- 54
- 60
- 22
- 54
- 26
- 41
- 28
- 11
- 30
- 76
- 43
- 32
- 42
- 20
- 41
- 42
- 38
- 54
- 55
- 24
- 62
- 41
- 21
- 38
- 34
- 40
- 15
- 25
- 12
- 61
- 16
- 24
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths