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
- 1.77 − 46 =
- 2.55 − 21 =
- 3.73 − 62 =
- 4.55 − 24 =
- 5.64 − 47 =
- 6.83 − 43 =
- 7.58 − 27 =
- 8.91 − 22 =
- 9.64 − 54 =
- 10.66 − 22 =
- 11.54 − 28 =
- 12.85 − 34 =
- 13.63 − 49 =
- 14.58 − 26 =
- 15.92 − 27 =
- 16.96 − 71 =
- 17.95 − 28 =
- 18.85 − 32 =
- 19.58 − 37 =
- 20.96 − 17 =
- 21.77 − 16 =
- 22.76 − 31 =
- 23.57 − 37 =
- 24.79 − 39 =
- 25.71 − 38 =
- 26.65 − 13 =
- 27.92 − 35 =
- 28.57 − 21 =
- 29.57 − 14 =
- 30.54 − 15 =
- 31.62 − 44 =
- 32.62 − 35 =
- 33.88 − 47 =
- 34.71 − 23 =
- 35.66 − 56 =
- 36.53 − 37 =
- 37.73 − 55 =
- 38.69 − 45 =
- 39.89 − 51 =
- 40.70 − 38 =
Answer key
- 31
- 34
- 11
- 31
- 17
- 40
- 31
- 69
- 10
- 44
- 26
- 51
- 14
- 32
- 65
- 25
- 67
- 53
- 21
- 79
- 61
- 45
- 20
- 40
- 33
- 52
- 57
- 36
- 43
- 39
- 18
- 27
- 41
- 48
- 10
- 16
- 18
- 24
- 38
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths