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
- 1.81 − 67 =
- 2.54 − 22 =
- 3.60 − 25 =
- 4.81 − 38 =
- 5.98 − 69 =
- 6.80 − 12 =
- 7.99 − 81 =
- 8.53 − 17 =
- 9.59 − 44 =
- 10.63 − 45 =
- 11.77 − 53 =
- 12.54 − 37 =
- 13.70 − 44 =
- 14.84 − 21 =
- 15.93 − 82 =
- 16.54 − 23 =
- 17.74 − 27 =
- 18.66 − 14 =
- 19.57 − 23 =
- 20.85 − 48 =
- 21.80 − 39 =
- 22.72 − 45 =
- 23.76 − 51 =
- 24.80 − 47 =
- 25.73 − 17 =
- 26.93 − 23 =
- 27.74 − 61 =
- 28.79 − 64 =
- 29.65 − 38 =
- 30.59 − 42 =
- 31.95 − 34 =
- 32.70 − 55 =
- 33.82 − 44 =
- 34.89 − 25 =
- 35.54 − 12 =
- 36.71 − 33 =
- 37.97 − 41 =
- 38.59 − 23 =
- 39.59 − 14 =
- 40.97 − 26 =
Answer key
- 14
- 32
- 35
- 43
- 29
- 68
- 18
- 36
- 15
- 18
- 24
- 17
- 26
- 63
- 11
- 31
- 47
- 52
- 34
- 37
- 41
- 27
- 25
- 33
- 56
- 70
- 13
- 15
- 27
- 17
- 61
- 15
- 38
- 64
- 42
- 38
- 56
- 36
- 45
- 71
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths