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
- 1.73 − 63 =
- 2.52 − 41 =
- 3.79 − 21 =
- 4.52 − 31 =
- 5.91 − 66 =
- 6.76 − 63 =
- 7.67 − 45 =
- 8.60 − 12 =
- 9.85 − 68 =
- 10.55 − 21 =
- 11.67 − 18 =
- 12.59 − 33 =
- 13.84 − 71 =
- 14.97 − 35 =
- 15.74 − 54 =
- 16.68 − 39 =
- 17.61 − 12 =
- 18.76 − 24 =
- 19.58 − 26 =
- 20.67 − 47 =
- 21.65 − 12 =
- 22.68 − 46 =
- 23.87 − 18 =
- 24.92 − 61 =
- 25.58 − 28 =
- 26.65 − 18 =
- 27.56 − 16 =
- 28.93 − 47 =
- 29.85 − 26 =
- 30.99 − 39 =
- 31.54 − 44 =
- 32.78 − 15 =
- 33.70 − 14 =
- 34.59 − 14 =
- 35.95 − 35 =
- 36.85 − 23 =
- 37.93 − 82 =
- 38.66 − 22 =
- 39.55 − 45 =
- 40.96 − 28 =
Answer key
- 10
- 11
- 58
- 21
- 25
- 13
- 22
- 48
- 17
- 34
- 49
- 26
- 13
- 62
- 20
- 29
- 49
- 52
- 32
- 20
- 53
- 22
- 69
- 31
- 30
- 47
- 40
- 46
- 59
- 60
- 10
- 63
- 56
- 45
- 60
- 62
- 11
- 44
- 10
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths