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
- 1.92 − 13 =
- 2.92 − 62 =
- 3.59 − 14 =
- 4.75 − 36 =
- 5.75 − 21 =
- 6.79 − 18 =
- 7.52 − 28 =
- 8.60 − 25 =
- 9.86 − 69 =
- 10.90 − 13 =
- 11.60 − 21 =
- 12.79 − 37 =
- 13.52 − 29 =
- 14.54 − 36 =
- 15.74 − 23 =
- 16.57 − 22 =
- 17.94 − 82 =
- 18.54 − 44 =
- 19.55 − 35 =
- 20.62 − 17 =
- 21.96 − 65 =
- 22.60 − 15 =
- 23.62 − 28 =
- 24.91 − 37 =
- 25.99 − 54 =
- 26.70 − 32 =
- 27.58 − 41 =
- 28.70 − 16 =
- 29.60 − 22 =
- 30.64 − 41 =
- 31.97 − 27 =
- 32.57 − 21 =
- 33.67 − 43 =
- 34.91 − 25 =
- 35.62 − 33 =
- 36.81 − 18 =
- 37.61 − 41 =
- 38.57 − 37 =
- 39.89 − 59 =
- 40.66 − 34 =
Answer key
- 79
- 30
- 45
- 39
- 54
- 61
- 24
- 35
- 17
- 77
- 39
- 42
- 23
- 18
- 51
- 35
- 12
- 10
- 20
- 45
- 31
- 45
- 34
- 54
- 45
- 38
- 17
- 54
- 38
- 23
- 70
- 36
- 24
- 66
- 29
- 63
- 20
- 20
- 30
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths