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 − 24 =
- 2.92 − 71 =
- 3.92 − 41 =
- 4.59 − 16 =
- 5.79 − 51 =
- 6.69 − 36 =
- 7.90 − 18 =
- 8.70 − 54 =
- 9.61 − 13 =
- 10.86 − 64 =
- 11.65 − 54 =
- 12.63 − 21 =
- 13.90 − 17 =
- 14.95 − 76 =
- 15.90 − 38 =
- 16.71 − 34 =
- 17.63 − 34 =
- 18.83 − 38 =
- 19.57 − 21 =
- 20.54 − 28 =
- 21.54 − 14 =
- 22.88 − 71 =
- 23.61 − 12 =
- 24.66 − 49 =
- 25.89 − 47 =
- 26.87 − 57 =
- 27.85 − 34 =
- 28.79 − 12 =
- 29.77 − 23 =
- 30.96 − 43 =
- 31.52 − 16 =
- 32.79 − 66 =
- 33.89 − 22 =
- 34.81 − 71 =
- 35.54 − 13 =
- 36.74 − 17 =
- 37.71 − 26 =
- 38.93 − 63 =
- 39.76 − 29 =
- 40.59 − 42 =
Answer key
- 46
- 21
- 51
- 43
- 28
- 33
- 72
- 16
- 48
- 22
- 11
- 42
- 73
- 19
- 52
- 37
- 29
- 45
- 36
- 26
- 40
- 17
- 49
- 17
- 42
- 30
- 51
- 67
- 54
- 53
- 36
- 13
- 67
- 10
- 41
- 57
- 45
- 30
- 47
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths