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
- 1.80 − 59 =
- 2.94 − 79 =
- 3.96 − 48 =
- 4.89 − 34 =
- 5.55 − 41 =
- 6.70 − 21 =
- 7.71 − 25 =
- 8.54 − 12 =
- 9.71 − 61 =
- 10.64 − 46 =
- 11.82 − 27 =
- 12.72 − 46 =
- 13.59 − 17 =
- 14.63 − 18 =
- 15.74 − 21 =
- 16.84 − 41 =
- 17.52 − 21 =
- 18.76 − 49 =
- 19.63 − 28 =
- 20.56 − 29 =
- 21.97 − 27 =
- 22.57 − 28 =
- 23.92 − 12 =
- 24.58 − 31 =
- 25.97 − 21 =
- 26.75 − 61 =
- 27.83 − 37 =
- 28.99 − 88 =
- 29.62 − 45 =
- 30.64 − 27 =
- 31.84 − 15 =
- 32.78 − 43 =
- 33.96 − 72 =
- 34.55 − 36 =
- 35.61 − 36 =
- 36.52 − 37 =
- 37.80 − 46 =
- 38.79 − 51 =
- 39.64 − 21 =
- 40.94 − 47 =
Answer key
- 21
- 15
- 48
- 55
- 14
- 49
- 46
- 42
- 10
- 18
- 55
- 26
- 42
- 45
- 53
- 43
- 31
- 27
- 35
- 27
- 70
- 29
- 80
- 27
- 76
- 14
- 46
- 11
- 17
- 37
- 69
- 35
- 24
- 19
- 25
- 15
- 34
- 28
- 43
- 47
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths