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
- 1.76 − 16 =
- 2.78 − 17 =
- 3.84 − 45 =
- 4.60 − 13 =
- 5.67 − 47 =
- 6.52 − 21 =
- 7.81 − 31 =
- 8.56 − 46 =
- 9.99 − 49 =
- 10.79 − 21 =
- 11.64 − 23 =
- 12.67 − 14 =
- 13.86 − 43 =
- 14.59 − 39 =
- 15.60 − 12 =
- 16.67 − 17 =
- 17.91 − 24 =
- 18.92 − 22 =
- 19.63 − 49 =
- 20.95 − 66 =
- 21.73 − 16 =
- 22.80 − 58 =
- 23.76 − 21 =
- 24.58 − 16 =
- 25.83 − 41 =
- 26.90 − 24 =
- 27.92 − 72 =
- 28.65 − 32 =
- 29.57 − 21 =
- 30.95 − 84 =
- 31.82 − 26 =
- 32.85 − 25 =
- 33.72 − 22 =
- 34.87 − 13 =
- 35.95 − 32 =
- 36.82 − 47 =
- 37.56 − 27 =
- 38.54 − 37 =
- 39.70 − 44 =
- 40.84 − 51 =
Answer key
- 60
- 61
- 39
- 47
- 20
- 31
- 50
- 10
- 50
- 58
- 41
- 53
- 43
- 20
- 48
- 50
- 67
- 70
- 14
- 29
- 57
- 22
- 55
- 42
- 42
- 66
- 20
- 33
- 36
- 11
- 56
- 60
- 50
- 74
- 63
- 35
- 29
- 17
- 26
- 33
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths