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
- 1.93 − 14 =
- 2.90 − 51 =
- 3.58 − 33 =
- 4.63 − 12 =
- 5.68 − 39 =
- 6.85 − 62 =
- 7.90 − 64 =
- 8.71 − 44 =
- 9.53 − 13 =
- 10.76 − 51 =
- 11.94 − 64 =
- 12.65 − 44 =
- 13.65 − 47 =
- 14.59 − 18 =
- 15.77 − 39 =
- 16.58 − 47 =
- 17.73 − 21 =
- 18.92 − 54 =
- 19.92 − 13 =
- 20.95 − 54 =
- 21.70 − 58 =
- 22.53 − 21 =
- 23.70 − 42 =
- 24.82 − 69 =
- 25.87 − 66 =
- 26.82 − 29 =
- 27.82 − 31 =
- 28.99 − 83 =
- 29.77 − 33 =
- 30.58 − 31 =
- 31.88 − 29 =
- 32.92 − 26 =
- 33.91 − 27 =
- 34.77 − 21 =
- 35.74 − 38 =
- 36.65 − 31 =
- 37.89 − 17 =
- 38.69 − 51 =
- 39.69 − 57 =
- 40.79 − 67 =
Answer key
- 79
- 39
- 25
- 51
- 29
- 23
- 26
- 27
- 40
- 25
- 30
- 21
- 18
- 41
- 38
- 11
- 52
- 38
- 79
- 41
- 12
- 32
- 28
- 13
- 21
- 53
- 51
- 16
- 44
- 27
- 59
- 66
- 64
- 56
- 36
- 34
- 72
- 18
- 12
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths