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 − 15 =
- 2.66 − 27 =
- 3.72 − 29 =
- 4.65 − 36 =
- 5.73 − 13 =
- 6.94 − 76 =
- 7.90 − 68 =
- 8.94 − 14 =
- 9.54 − 44 =
- 10.61 − 28 =
- 11.59 − 31 =
- 12.94 − 27 =
- 13.93 − 69 =
- 14.89 − 57 =
- 15.95 − 68 =
- 16.96 − 51 =
- 17.67 − 38 =
- 18.59 − 12 =
- 19.93 − 51 =
- 20.60 − 12 =
- 21.80 − 47 =
- 22.62 − 48 =
- 23.55 − 39 =
- 24.62 − 24 =
- 25.67 − 27 =
- 26.53 − 24 =
- 27.72 − 42 =
- 28.94 − 31 =
- 29.57 − 18 =
- 30.94 − 15 =
- 31.89 − 23 =
- 32.75 − 17 =
- 33.65 − 42 =
- 34.69 − 36 =
- 35.56 − 13 =
- 36.85 − 66 =
- 37.70 − 56 =
- 38.99 − 78 =
- 39.57 − 45 =
- 40.94 − 32 =
Answer key
- 39
- 39
- 43
- 29
- 60
- 18
- 22
- 80
- 10
- 33
- 28
- 67
- 24
- 32
- 27
- 45
- 29
- 47
- 42
- 48
- 33
- 14
- 16
- 38
- 40
- 29
- 30
- 63
- 39
- 79
- 66
- 58
- 23
- 33
- 43
- 19
- 14
- 21
- 12
- 62
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths