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
- 1.64 − 37 =
- 2.57 − 27 =
- 3.80 − 24 =
- 4.73 − 24 =
- 5.80 − 19 =
- 6.79 − 64 =
- 7.86 − 14 =
- 8.63 − 33 =
- 9.57 − 21 =
- 10.72 − 55 =
- 11.76 − 31 =
- 12.64 − 44 =
- 13.82 − 14 =
- 14.75 − 53 =
- 15.55 − 12 =
- 16.75 − 44 =
- 17.85 − 59 =
- 18.68 − 18 =
- 19.71 − 42 =
- 20.86 − 55 =
- 21.89 − 34 =
- 22.52 − 33 =
- 23.76 − 48 =
- 24.62 − 34 =
- 25.89 − 66 =
- 26.75 − 26 =
- 27.80 − 31 =
- 28.98 − 42 =
- 29.68 − 16 =
- 30.76 − 54 =
- 31.92 − 25 =
- 32.77 − 61 =
- 33.92 − 21 =
- 34.71 − 26 =
- 35.91 − 81 =
- 36.52 − 36 =
- 37.71 − 48 =
- 38.81 − 12 =
- 39.52 − 13 =
- 40.99 − 15 =
Answer key
- 27
- 30
- 56
- 49
- 61
- 15
- 72
- 30
- 36
- 17
- 45
- 20
- 68
- 22
- 43
- 31
- 26
- 50
- 29
- 31
- 55
- 19
- 28
- 28
- 23
- 49
- 49
- 56
- 52
- 22
- 67
- 16
- 71
- 45
- 10
- 16
- 23
- 69
- 39
- 84
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths