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
- 1.52 − 27 =
- 2.58 − 19 =
- 3.82 − 15 =
- 4.53 − 23 =
- 5.91 − 65 =
- 6.76 − 54 =
- 7.67 − 51 =
- 8.62 − 14 =
- 9.64 − 28 =
- 10.63 − 42 =
- 11.68 − 12 =
- 12.82 − 31 =
- 13.76 − 34 =
- 14.61 − 44 =
- 15.55 − 14 =
- 16.62 − 34 =
- 17.84 − 74 =
- 18.76 − 16 =
- 19.65 − 13 =
- 20.58 − 22 =
- 21.61 − 34 =
- 22.98 − 74 =
- 23.82 − 21 =
- 24.71 − 39 =
- 25.72 − 38 =
- 26.64 − 15 =
- 27.66 − 53 =
- 28.67 − 23 =
- 29.81 − 26 =
- 30.70 − 57 =
- 31.64 − 51 =
- 32.70 − 19 =
- 33.89 − 23 =
- 34.92 − 78 =
- 35.88 − 34 =
- 36.74 − 58 =
- 37.87 − 17 =
- 38.76 − 36 =
- 39.67 − 47 =
- 40.99 − 21 =
Answer key
- 25
- 39
- 67
- 30
- 26
- 22
- 16
- 48
- 36
- 21
- 56
- 51
- 42
- 17
- 41
- 28
- 10
- 60
- 52
- 36
- 27
- 24
- 61
- 32
- 34
- 49
- 13
- 44
- 55
- 13
- 13
- 51
- 66
- 14
- 54
- 16
- 70
- 40
- 20
- 78
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths