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
- 1.60 − 28 =
- 2.95 − 21 =
- 3.77 − 55 =
- 4.66 − 32 =
- 5.71 − 18 =
- 6.80 − 15 =
- 7.99 − 44 =
- 8.80 − 61 =
- 9.52 − 17 =
- 10.98 − 33 =
- 11.84 − 45 =
- 12.54 − 41 =
- 13.61 − 12 =
- 14.92 − 61 =
- 15.55 − 23 =
- 16.95 − 32 =
- 17.87 − 22 =
- 18.66 − 17 =
- 19.62 − 23 =
- 20.98 − 12 =
- 21.96 − 14 =
- 22.87 − 71 =
- 23.98 − 65 =
- 24.57 − 37 =
- 25.99 − 76 =
- 26.83 − 45 =
- 27.71 − 53 =
- 28.69 − 17 =
- 29.89 − 12 =
- 30.52 − 23 =
- 31.76 − 21 =
- 32.57 − 13 =
- 33.63 − 45 =
- 34.54 − 44 =
- 35.98 − 27 =
- 36.82 − 15 =
- 37.90 − 56 =
- 38.78 − 65 =
- 39.99 − 18 =
- 40.96 − 54 =
Answer key
- 32
- 74
- 22
- 34
- 53
- 65
- 55
- 19
- 35
- 65
- 39
- 13
- 49
- 31
- 32
- 63
- 65
- 49
- 39
- 86
- 82
- 16
- 33
- 20
- 23
- 38
- 18
- 52
- 77
- 29
- 55
- 44
- 18
- 10
- 71
- 67
- 34
- 13
- 81
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths