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 − 24 =
- 2.99 − 69 =
- 3.81 − 43 =
- 4.80 − 51 =
- 5.74 − 32 =
- 6.56 − 18 =
- 7.58 − 12 =
- 8.85 − 45 =
- 9.70 − 29 =
- 10.54 − 15 =
- 11.90 − 24 =
- 12.75 − 17 =
- 13.99 − 18 =
- 14.88 − 31 =
- 15.64 − 49 =
- 16.55 − 19 =
- 17.53 − 24 =
- 18.57 − 29 =
- 19.89 − 22 =
- 20.81 − 31 =
- 21.70 − 31 =
- 22.69 − 39 =
- 23.59 − 36 =
- 24.64 − 43 =
- 25.62 − 14 =
- 26.52 − 21 =
- 27.63 − 15 =
- 28.72 − 55 =
- 29.78 − 66 =
- 30.85 − 24 =
- 31.73 − 57 =
- 32.81 − 19 =
- 33.85 − 28 =
- 34.87 − 71 =
- 35.84 − 49 =
- 36.55 − 28 =
- 37.64 − 31 =
- 38.89 − 72 =
- 39.75 − 45 =
- 40.57 − 13 =
Answer key
- 30
- 30
- 38
- 29
- 42
- 38
- 46
- 40
- 41
- 39
- 66
- 58
- 81
- 57
- 15
- 36
- 29
- 28
- 67
- 50
- 39
- 30
- 23
- 21
- 48
- 31
- 48
- 17
- 12
- 61
- 16
- 62
- 57
- 16
- 35
- 27
- 33
- 17
- 30
- 44
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths