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
- 1.61 − 51 =
- 2.71 − 41 =
- 3.53 − 41 =
- 4.61 − 19 =
- 5.98 − 79 =
- 6.60 − 34 =
- 7.84 − 36 =
- 8.86 − 61 =
- 9.94 − 84 =
- 10.77 − 54 =
- 11.89 − 56 =
- 12.99 − 29 =
- 13.75 − 51 =
- 14.76 − 27 =
- 15.76 − 26 =
- 16.96 − 31 =
- 17.87 − 47 =
- 18.58 − 31 =
- 19.81 − 19 =
- 20.88 − 61 =
- 21.96 − 81 =
- 22.80 − 35 =
- 23.85 − 49 =
- 24.57 − 24 =
- 25.97 − 68 =
- 26.70 − 25 =
- 27.94 − 51 =
- 28.82 − 63 =
- 29.98 − 47 =
- 30.56 − 27 =
- 31.60 − 19 =
- 32.65 − 46 =
- 33.64 − 38 =
- 34.57 − 15 =
- 35.99 − 58 =
- 36.72 − 48 =
- 37.98 − 34 =
- 38.66 − 13 =
- 39.93 − 82 =
- 40.55 − 18 =
Answer key
- 10
- 30
- 12
- 42
- 19
- 26
- 48
- 25
- 10
- 23
- 33
- 70
- 24
- 49
- 50
- 65
- 40
- 27
- 62
- 27
- 15
- 45
- 36
- 33
- 29
- 45
- 43
- 19
- 51
- 29
- 41
- 19
- 26
- 42
- 41
- 24
- 64
- 53
- 11
- 37
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths