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
- 1.75 − 15 =
- 2.83 − 43 =
- 3.87 − 76 =
- 4.87 − 25 =
- 5.83 − 22 =
- 6.75 − 31 =
- 7.60 − 22 =
- 8.69 − 41 =
- 9.82 − 12 =
- 10.54 − 21 =
- 11.66 − 56 =
- 12.71 − 14 =
- 13.83 − 14 =
- 14.57 − 22 =
- 15.62 − 21 =
- 16.70 − 14 =
- 17.71 − 22 =
- 18.53 − 24 =
- 19.94 − 31 =
- 20.87 − 55 =
- 21.61 − 16 =
- 22.76 − 34 =
- 23.69 − 25 =
- 24.54 − 41 =
- 25.87 − 59 =
- 26.93 − 14 =
- 27.81 − 32 =
- 28.67 − 41 =
- 29.57 − 42 =
- 30.98 − 53 =
- 31.96 − 64 =
- 32.99 − 47 =
- 33.69 − 39 =
- 34.82 − 72 =
- 35.82 − 35 =
- 36.97 − 52 =
- 37.59 − 42 =
- 38.69 − 33 =
- 39.76 − 42 =
- 40.58 − 15 =
Answer key
- 60
- 40
- 11
- 62
- 61
- 44
- 38
- 28
- 70
- 33
- 10
- 57
- 69
- 35
- 41
- 56
- 49
- 29
- 63
- 32
- 45
- 42
- 44
- 13
- 28
- 79
- 49
- 26
- 15
- 45
- 32
- 52
- 30
- 10
- 47
- 45
- 17
- 36
- 34
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths