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
- 1.58 − 29 =
- 2.63 − 52 =
- 3.94 − 27 =
- 4.65 − 17 =
- 5.60 − 12 =
- 6.87 − 34 =
- 7.52 − 37 =
- 8.78 − 19 =
- 9.60 − 47 =
- 10.58 − 22 =
- 11.95 − 49 =
- 12.78 − 37 =
- 13.65 − 12 =
- 14.80 − 23 =
- 15.60 − 18 =
- 16.77 − 49 =
- 17.67 − 22 =
- 18.78 − 14 =
- 19.71 − 61 =
- 20.57 − 35 =
- 21.66 − 42 =
- 22.78 − 58 =
- 23.82 − 21 =
- 24.64 − 44 =
- 25.60 − 26 =
- 26.80 − 71 =
- 27.60 − 38 =
- 28.66 − 47 =
- 29.52 − 41 =
- 30.98 − 28 =
- 31.68 − 21 =
- 32.77 − 28 =
- 33.59 − 32 =
- 34.70 − 45 =
- 35.97 − 81 =
- 36.74 − 35 =
- 37.58 − 23 =
- 38.66 − 38 =
- 39.91 − 23 =
- 40.87 − 45 =
Answer key
- 29
- 11
- 67
- 48
- 48
- 53
- 15
- 59
- 13
- 36
- 46
- 41
- 53
- 57
- 42
- 28
- 45
- 64
- 10
- 22
- 24
- 20
- 61
- 20
- 34
- 9
- 22
- 19
- 11
- 70
- 47
- 49
- 27
- 25
- 16
- 39
- 35
- 28
- 68
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths