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 − 15 =
- 2.99 − 23 =
- 3.57 − 18 =
- 4.80 − 66 =
- 5.80 − 25 =
- 6.65 − 41 =
- 7.80 − 19 =
- 8.82 − 56 =
- 9.91 − 38 =
- 10.55 − 21 =
- 11.65 − 23 =
- 12.68 − 52 =
- 13.76 − 31 =
- 14.93 − 28 =
- 15.58 − 38 =
- 16.71 − 44 =
- 17.89 − 58 =
- 18.90 − 41 =
- 19.75 − 64 =
- 20.53 − 13 =
- 21.60 − 42 =
- 22.60 − 31 =
- 23.56 − 27 =
- 24.82 − 59 =
- 25.52 − 42 =
- 26.57 − 22 =
- 27.56 − 22 =
- 28.76 − 45 =
- 29.68 − 56 =
- 30.93 − 33 =
- 31.94 − 26 =
- 32.62 − 23 =
- 33.89 − 24 =
- 34.77 − 17 =
- 35.81 − 18 =
- 36.69 − 22 =
- 37.60 − 17 =
- 38.57 − 43 =
- 39.70 − 17 =
- 40.66 − 38 =
Answer key
- 37
- 76
- 39
- 14
- 55
- 24
- 61
- 26
- 53
- 34
- 42
- 16
- 45
- 65
- 20
- 27
- 31
- 49
- 11
- 40
- 18
- 29
- 29
- 23
- 10
- 35
- 34
- 31
- 12
- 60
- 68
- 39
- 65
- 60
- 63
- 47
- 43
- 14
- 53
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths