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
- 1.57 − 45 =
- 2.91 − 32 =
- 3.71 − 49 =
- 4.68 − 21 =
- 5.62 − 44 =
- 6.57 − 43 =
- 7.52 − 12 =
- 8.83 − 18 =
- 9.99 − 39 =
- 10.70 − 58 =
- 11.63 − 38 =
- 12.62 − 33 =
- 13.65 − 37 =
- 14.78 − 67 =
- 15.93 − 36 =
- 16.70 − 33 =
- 17.52 − 36 =
- 18.74 − 21 =
- 19.76 − 45 =
- 20.95 − 15 =
- 21.73 − 44 =
- 22.54 − 21 =
- 23.65 − 27 =
- 24.99 − 82 =
- 25.74 − 63 =
- 26.96 − 17 =
- 27.61 − 38 =
- 28.93 − 24 =
- 29.62 − 21 =
- 30.90 − 46 =
- 31.59 − 44 =
- 32.73 − 21 =
- 33.56 − 38 =
- 34.80 − 38 =
- 35.53 − 21 =
- 36.59 − 41 =
- 37.99 − 83 =
- 38.67 − 13 =
- 39.81 − 59 =
- 40.81 − 51 =
Answer key
- 12
- 59
- 22
- 47
- 18
- 14
- 40
- 65
- 60
- 12
- 25
- 29
- 28
- 11
- 57
- 37
- 16
- 53
- 31
- 80
- 29
- 33
- 38
- 17
- 11
- 79
- 23
- 69
- 41
- 44
- 15
- 52
- 18
- 42
- 32
- 18
- 16
- 54
- 22
- 30
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths