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
- 1.53 − 27 =
- 2.90 − 35 =
- 3.64 − 17 =
- 4.62 − 52 =
- 5.70 − 12 =
- 6.80 − 12 =
- 7.83 − 67 =
- 8.94 − 35 =
- 9.96 − 61 =
- 10.56 − 41 =
- 11.70 − 46 =
- 12.62 − 35 =
- 13.94 − 15 =
- 14.99 − 47 =
- 15.87 − 27 =
- 16.86 − 45 =
- 17.79 − 46 =
- 18.89 − 43 =
- 19.94 − 21 =
- 20.93 − 14 =
- 21.64 − 19 =
- 22.85 − 26 =
- 23.58 − 24 =
- 24.62 − 17 =
- 25.55 − 36 =
- 26.84 − 67 =
- 27.60 − 34 =
- 28.54 − 36 =
- 29.70 − 27 =
- 30.87 − 26 =
- 31.74 − 54 =
- 32.97 − 12 =
- 33.95 − 13 =
- 34.57 − 19 =
- 35.81 − 36 =
- 36.98 − 66 =
- 37.68 − 48 =
- 38.71 − 47 =
- 39.92 − 49 =
- 40.98 − 72 =
Answer key
- 26
- 55
- 47
- 10
- 58
- 68
- 16
- 59
- 35
- 15
- 24
- 27
- 79
- 52
- 60
- 41
- 33
- 46
- 73
- 79
- 45
- 59
- 34
- 45
- 19
- 17
- 26
- 18
- 43
- 61
- 20
- 85
- 82
- 38
- 45
- 32
- 20
- 24
- 43
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths