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 − 51 =
- 2.98 − 23 =
- 3.82 − 25 =
- 4.65 − 41 =
- 5.77 − 37 =
- 6.65 − 18 =
- 7.64 − 53 =
- 8.81 − 17 =
- 9.80 − 48 =
- 10.80 − 66 =
- 11.82 − 29 =
- 12.66 − 23 =
- 13.95 − 15 =
- 14.66 − 52 =
- 15.72 − 31 =
- 16.84 − 27 =
- 17.70 − 22 =
- 18.83 − 25 =
- 19.59 − 21 =
- 20.91 − 69 =
- 21.80 − 37 =
- 22.65 − 31 =
- 23.72 − 27 =
- 24.72 − 44 =
- 25.55 − 39 =
- 26.65 − 15 =
- 27.57 − 26 =
- 28.86 − 71 =
- 29.94 − 17 =
- 30.71 − 45 =
- 31.95 − 53 =
- 32.60 − 19 =
- 33.54 − 44 =
- 34.96 − 66 =
- 35.53 − 38 =
- 36.70 − 12 =
- 37.56 − 22 =
- 38.66 − 35 =
- 39.87 − 17 =
- 40.75 − 25 =
Answer key
- 27
- 75
- 57
- 24
- 40
- 47
- 11
- 64
- 32
- 14
- 53
- 43
- 80
- 14
- 41
- 57
- 48
- 58
- 38
- 22
- 43
- 34
- 45
- 28
- 16
- 50
- 31
- 15
- 77
- 26
- 42
- 41
- 10
- 30
- 15
- 58
- 34
- 31
- 70
- 50
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths