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
- 1.54 − 29 =
- 2.68 − 53 =
- 3.79 − 23 =
- 4.80 − 66 =
- 5.68 − 44 =
- 6.78 − 28 =
- 7.67 − 34 =
- 8.79 − 48 =
- 9.90 − 42 =
- 10.55 − 34 =
- 11.70 − 39 =
- 12.70 − 25 =
- 13.89 − 79 =
- 14.93 − 14 =
- 15.72 − 47 =
- 16.84 − 12 =
- 17.87 − 15 =
- 18.74 − 21 =
- 19.99 − 68 =
- 20.65 − 43 =
- 21.74 − 42 =
- 22.82 − 28 =
- 23.83 − 51 =
- 24.93 − 15 =
- 25.81 − 47 =
- 26.99 − 79 =
- 27.86 − 31 =
- 28.96 − 51 =
- 29.89 − 21 =
- 30.94 − 33 =
- 31.82 − 44 =
- 32.82 − 63 =
- 33.99 − 44 =
- 34.54 − 17 =
- 35.83 − 64 =
- 36.76 − 23 =
- 37.92 − 13 =
- 38.87 − 58 =
- 39.64 − 28 =
- 40.73 − 15 =
Answer key
- 25
- 15
- 56
- 14
- 24
- 50
- 33
- 31
- 48
- 21
- 31
- 45
- 10
- 79
- 25
- 72
- 72
- 53
- 31
- 22
- 32
- 54
- 32
- 78
- 34
- 20
- 55
- 45
- 68
- 61
- 38
- 19
- 55
- 37
- 19
- 53
- 79
- 29
- 36
- 58
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths