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
- 1.67 − 31 =
- 2.61 − 38 =
- 3.88 − 64 =
- 4.52 − 24 =
- 5.70 − 22 =
- 6.99 − 31 =
- 7.84 − 12 =
- 8.54 − 23 =
- 9.80 − 29 =
- 10.95 − 85 =
- 11.73 − 34 =
- 12.91 − 35 =
- 13.85 − 62 =
- 14.87 − 58 =
- 15.53 − 18 =
- 16.96 − 41 =
- 17.73 − 14 =
- 18.84 − 16 =
- 19.65 − 31 =
- 20.82 − 26 =
- 21.70 − 31 =
- 22.79 − 47 =
- 23.77 − 17 =
- 24.74 − 22 =
- 25.72 − 31 =
- 26.83 − 25 =
- 27.71 − 16 =
- 28.97 − 16 =
- 29.89 − 56 =
- 30.79 − 16 =
- 31.94 − 73 =
- 32.98 − 35 =
- 33.62 − 35 =
- 34.90 − 58 =
- 35.94 − 19 =
- 36.62 − 13 =
- 37.65 − 44 =
- 38.56 − 12 =
- 39.87 − 48 =
- 40.56 − 28 =
Answer key
- 36
- 23
- 24
- 28
- 48
- 68
- 72
- 31
- 51
- 10
- 39
- 56
- 23
- 29
- 35
- 55
- 59
- 68
- 34
- 56
- 39
- 32
- 60
- 52
- 41
- 58
- 55
- 81
- 33
- 63
- 21
- 63
- 27
- 32
- 75
- 49
- 21
- 44
- 39
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths