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
- 1.70 − 31 =
- 2.97 − 41 =
- 3.62 − 46 =
- 4.65 − 55 =
- 5.87 − 37 =
- 6.57 − 41 =
- 7.58 − 39 =
- 8.90 − 24 =
- 9.70 − 44 =
- 10.57 − 29 =
- 11.59 − 46 =
- 12.69 − 17 =
- 13.61 − 51 =
- 14.55 − 21 =
- 15.70 − 23 =
- 16.96 − 67 =
- 17.82 − 54 =
- 18.89 − 61 =
- 19.84 − 13 =
- 20.59 − 49 =
- 21.55 − 26 =
- 22.84 − 51 =
- 23.77 − 53 =
- 24.80 − 64 =
- 25.52 − 18 =
- 26.92 − 79 =
- 27.61 − 13 =
- 28.71 − 32 =
- 29.66 − 15 =
- 30.89 − 18 =
- 31.99 − 48 =
- 32.70 − 52 =
- 33.71 − 51 =
- 34.95 − 16 =
- 35.82 − 61 =
- 36.74 − 34 =
- 37.61 − 37 =
- 38.64 − 35 =
- 39.73 − 33 =
- 40.65 − 23 =
Answer key
- 39
- 56
- 16
- 10
- 50
- 16
- 19
- 66
- 26
- 28
- 13
- 52
- 10
- 34
- 47
- 29
- 28
- 28
- 71
- 10
- 29
- 33
- 24
- 16
- 34
- 13
- 48
- 39
- 51
- 71
- 51
- 18
- 20
- 79
- 21
- 40
- 24
- 29
- 40
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths