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
- 1.78 − 27 =
- 2.87 − 23 =
- 3.71 − 37 =
- 4.65 − 34 =
- 5.83 − 15 =
- 6.87 − 34 =
- 7.53 − 35 =
- 8.82 − 36 =
- 9.64 − 26 =
- 10.68 − 21 =
- 11.58 − 43 =
- 12.81 − 44 =
- 13.98 − 12 =
- 14.97 − 19 =
- 15.95 − 71 =
- 16.90 − 31 =
- 17.98 − 49 =
- 18.96 − 33 =
- 19.66 − 41 =
- 20.54 − 37 =
- 21.97 − 85 =
- 22.70 − 59 =
- 23.63 − 45 =
- 24.80 − 64 =
- 25.87 − 27 =
- 26.55 − 41 =
- 27.72 − 58 =
- 28.93 − 61 =
- 29.90 − 25 =
- 30.86 − 66 =
- 31.89 − 44 =
- 32.70 − 46 =
- 33.91 − 18 =
- 34.83 − 31 =
- 35.69 − 44 =
- 36.62 − 21 =
- 37.86 − 29 =
- 38.58 − 21 =
- 39.84 − 71 =
- 40.80 − 61 =
Answer key
- 51
- 64
- 34
- 31
- 68
- 53
- 18
- 46
- 38
- 47
- 15
- 37
- 86
- 78
- 24
- 59
- 49
- 63
- 25
- 17
- 12
- 11
- 18
- 16
- 60
- 14
- 14
- 32
- 65
- 20
- 45
- 24
- 73
- 52
- 25
- 41
- 57
- 37
- 13
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths