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
- 1.68 − 45 =
- 2.60 − 24 =
- 3.59 − 45 =
- 4.78 − 18 =
- 5.71 − 25 =
- 6.62 − 28 =
- 7.92 − 25 =
- 8.96 − 28 =
- 9.96 − 57 =
- 10.80 − 17 =
- 11.58 − 16 =
- 12.81 − 16 =
- 13.69 − 41 =
- 14.94 − 17 =
- 15.65 − 41 =
- 16.97 − 67 =
- 17.97 − 56 =
- 18.57 − 15 =
- 19.82 − 67 =
- 20.87 − 31 =
- 21.62 − 51 =
- 22.89 − 63 =
- 23.97 − 81 =
- 24.57 − 36 =
- 25.56 − 35 =
- 26.91 − 42 =
- 27.87 − 59 =
- 28.53 − 42 =
- 29.69 − 22 =
- 30.59 − 44 =
- 31.54 − 29 =
- 32.79 − 57 =
- 33.75 − 43 =
- 34.77 − 62 =
- 35.74 − 31 =
- 36.96 − 18 =
- 37.55 − 41 =
- 38.80 − 51 =
- 39.70 − 38 =
- 40.76 − 65 =
Answer key
- 23
- 36
- 14
- 60
- 46
- 34
- 67
- 68
- 39
- 63
- 42
- 65
- 28
- 77
- 24
- 30
- 41
- 42
- 15
- 56
- 11
- 26
- 16
- 21
- 21
- 49
- 28
- 11
- 47
- 15
- 25
- 22
- 32
- 15
- 43
- 78
- 14
- 29
- 32
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths