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
- 1.66 − 48 =
- 2.73 − 21 =
- 3.70 − 18 =
- 4.56 − 21 =
- 5.58 − 37 =
- 6.87 − 46 =
- 7.80 − 47 =
- 8.54 − 15 =
- 9.56 − 18 =
- 10.54 − 25 =
- 11.59 − 18 =
- 12.95 − 46 =
- 13.91 − 34 =
- 14.79 − 15 =
- 15.59 − 31 =
- 16.84 − 63 =
- 17.82 − 12 =
- 18.85 − 18 =
- 19.89 − 31 =
- 20.85 − 15 =
- 21.86 − 12 =
- 22.73 − 58 =
- 23.87 − 68 =
- 24.67 − 31 =
- 25.95 − 15 =
- 26.79 − 41 =
- 27.58 − 16 =
- 28.61 − 41 =
- 29.52 − 38 =
- 30.60 − 15 =
- 31.92 − 26 =
- 32.98 − 25 =
- 33.84 − 44 =
- 34.62 − 13 =
- 35.91 − 39 =
- 36.88 − 51 =
- 37.77 − 66 =
- 38.89 − 21 =
- 39.76 − 17 =
- 40.77 − 65 =
Answer key
- 18
- 52
- 52
- 35
- 21
- 41
- 33
- 39
- 38
- 29
- 41
- 49
- 57
- 64
- 28
- 21
- 70
- 67
- 58
- 70
- 74
- 15
- 19
- 36
- 80
- 38
- 42
- 20
- 14
- 45
- 66
- 73
- 40
- 49
- 52
- 37
- 11
- 68
- 59
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths