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
- 1.54 − 17 =
- 2.84 − 27 =
- 3.95 − 43 =
- 4.77 − 19 =
- 5.52 − 25 =
- 6.78 − 45 =
- 7.55 − 22 =
- 8.79 − 21 =
- 9.58 − 44 =
- 10.64 − 43 =
- 11.52 − 19 =
- 12.67 − 48 =
- 13.71 − 13 =
- 14.52 − 18 =
- 15.56 − 29 =
- 16.55 − 13 =
- 17.52 − 28 =
- 18.65 − 54 =
- 19.83 − 46 =
- 20.87 − 23 =
- 21.91 − 75 =
- 22.54 − 43 =
- 23.90 − 14 =
- 24.53 − 17 =
- 25.69 − 29 =
- 26.91 − 23 =
- 27.83 − 25 =
- 28.54 − 28 =
- 29.98 − 86 =
- 30.58 − 13 =
- 31.70 − 41 =
- 32.84 − 16 =
- 33.90 − 38 =
- 34.94 − 17 =
- 35.91 − 63 =
- 36.56 − 42 =
- 37.81 − 58 =
- 38.56 − 19 =
- 39.83 − 28 =
- 40.58 − 39 =
Answer key
- 37
- 57
- 52
- 58
- 27
- 33
- 33
- 58
- 14
- 21
- 33
- 19
- 58
- 34
- 27
- 42
- 24
- 11
- 37
- 64
- 16
- 11
- 76
- 36
- 40
- 68
- 58
- 26
- 12
- 45
- 29
- 68
- 52
- 77
- 28
- 14
- 23
- 37
- 55
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths