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
- 1.91 − 21 =
- 2.52 − 28 =
- 3.96 − 61 =
- 4.81 − 51 =
- 5.98 − 39 =
- 6.83 − 25 =
- 7.71 − 49 =
- 8.98 − 29 =
- 9.75 − 51 =
- 10.67 − 46 =
- 11.67 − 44 =
- 12.94 − 82 =
- 13.89 − 31 =
- 14.65 − 16 =
- 15.65 − 45 =
- 16.86 − 19 =
- 17.85 − 54 =
- 18.98 − 53 =
- 19.94 − 57 =
- 20.64 − 47 =
- 21.63 − 21 =
- 22.73 − 44 =
- 23.82 − 61 =
- 24.85 − 73 =
- 25.69 − 32 =
- 26.52 − 26 =
- 27.72 − 41 =
- 28.62 − 15 =
- 29.95 − 22 =
- 30.55 − 41 =
- 31.76 − 41 =
- 32.85 − 42 =
- 33.55 − 23 =
- 34.75 − 16 =
- 35.54 − 19 =
- 36.85 − 64 =
- 37.80 − 51 =
- 38.84 − 65 =
- 39.63 − 24 =
- 40.85 − 17 =
Answer key
- 70
- 24
- 35
- 30
- 59
- 58
- 22
- 69
- 24
- 21
- 23
- 12
- 58
- 49
- 20
- 67
- 31
- 45
- 37
- 17
- 42
- 29
- 21
- 12
- 37
- 26
- 31
- 47
- 73
- 14
- 35
- 43
- 32
- 59
- 35
- 21
- 29
- 19
- 39
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths