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
- 1.53 − 32 =
- 2.64 − 28 =
- 3.75 − 33 =
- 4.91 − 51 =
- 5.70 − 43 =
- 6.65 − 33 =
- 7.62 − 15 =
- 8.78 − 54 =
- 9.64 − 29 =
- 10.72 − 33 =
- 11.80 − 41 =
- 12.62 − 19 =
- 13.55 − 19 =
- 14.54 − 34 =
- 15.85 − 54 =
- 16.97 − 81 =
- 17.65 − 22 =
- 18.62 − 24 =
- 19.76 − 18 =
- 20.95 − 31 =
- 21.85 − 35 =
- 22.89 − 67 =
- 23.69 − 46 =
- 24.73 − 34 =
- 25.64 − 22 =
- 26.82 − 39 =
- 27.66 − 41 =
- 28.84 − 54 =
- 29.90 − 21 =
- 30.67 − 51 =
- 31.84 − 42 =
- 32.90 − 61 =
- 33.63 − 38 =
- 34.81 − 53 =
- 35.58 − 21 =
- 36.67 − 23 =
- 37.52 − 15 =
- 38.90 − 55 =
- 39.82 − 19 =
- 40.72 − 57 =
Answer key
- 21
- 36
- 42
- 40
- 27
- 32
- 47
- 24
- 35
- 39
- 39
- 43
- 36
- 20
- 31
- 16
- 43
- 38
- 58
- 64
- 50
- 22
- 23
- 39
- 42
- 43
- 25
- 30
- 69
- 16
- 42
- 29
- 25
- 28
- 37
- 44
- 37
- 35
- 63
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths