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
- 1.96 − 18 =
- 2.54 − 31 =
- 3.67 − 52 =
- 4.73 − 19 =
- 5.60 − 33 =
- 6.77 − 43 =
- 7.65 − 26 =
- 8.79 − 41 =
- 9.80 − 18 =
- 10.70 − 22 =
- 11.85 − 25 =
- 12.80 − 61 =
- 13.85 − 63 =
- 14.82 − 53 =
- 15.87 − 39 =
- 16.85 − 64 =
- 17.99 − 83 =
- 18.78 − 65 =
- 19.96 − 25 =
- 20.54 − 33 =
- 21.90 − 16 =
- 22.65 − 51 =
- 23.83 − 47 =
- 24.83 − 71 =
- 25.52 − 16 =
- 26.81 − 65 =
- 27.55 − 15 =
- 28.54 − 43 =
- 29.53 − 43 =
- 30.71 − 26 =
- 31.87 − 28 =
- 32.87 − 54 =
- 33.94 − 79 =
- 34.96 − 51 =
- 35.94 − 52 =
- 36.99 − 18 =
- 37.83 − 57 =
- 38.71 − 47 =
- 39.65 − 21 =
- 40.54 − 25 =
Answer key
- 78
- 23
- 15
- 54
- 27
- 34
- 39
- 38
- 62
- 48
- 60
- 19
- 22
- 29
- 48
- 21
- 16
- 13
- 71
- 21
- 74
- 14
- 36
- 12
- 36
- 16
- 40
- 11
- 10
- 45
- 59
- 33
- 15
- 45
- 42
- 81
- 26
- 24
- 44
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths