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
- 1.69 − 48 =
- 2.96 − 12 =
- 3.63 − 39 =
- 4.77 − 59 =
- 5.52 − 21 =
- 6.54 − 21 =
- 7.81 − 56 =
- 8.80 − 13 =
- 9.90 − 77 =
- 10.63 − 48 =
- 11.62 − 46 =
- 12.61 − 45 =
- 13.71 − 55 =
- 14.72 − 15 =
- 15.64 − 39 =
- 16.95 − 41 =
- 17.59 − 32 =
- 18.75 − 14 =
- 19.64 − 18 =
- 20.94 − 78 =
- 21.79 − 51 =
- 22.58 − 46 =
- 23.56 − 12 =
- 24.84 − 61 =
- 25.66 − 32 =
- 26.59 − 27 =
- 27.56 − 35 =
- 28.62 − 44 =
- 29.53 − 32 =
- 30.63 − 26 =
- 31.70 − 39 =
- 32.71 − 29 =
- 33.84 − 51 =
- 34.73 − 26 =
- 35.71 − 28 =
- 36.54 − 12 =
- 37.61 − 44 =
- 38.67 − 38 =
- 39.68 − 32 =
- 40.63 − 43 =
Answer key
- 21
- 84
- 24
- 18
- 31
- 33
- 25
- 67
- 13
- 15
- 16
- 16
- 16
- 57
- 25
- 54
- 27
- 61
- 46
- 16
- 28
- 12
- 44
- 23
- 34
- 32
- 21
- 18
- 21
- 37
- 31
- 42
- 33
- 47
- 43
- 42
- 17
- 29
- 36
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths