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
- 1.53 − 41 =
- 2.85 − 68 =
- 3.66 − 19 =
- 4.68 − 21 =
- 5.99 − 31 =
- 6.54 − 41 =
- 7.72 − 36 =
- 8.86 − 53 =
- 9.55 − 42 =
- 10.58 − 42 =
- 11.92 − 57 =
- 12.68 − 26 =
- 13.86 − 21 =
- 14.69 − 34 =
- 15.73 − 35 =
- 16.68 − 29 =
- 17.62 − 49 =
- 18.91 − 21 =
- 19.65 − 39 =
- 20.84 − 71 =
- 21.57 − 33 =
- 22.58 − 25 =
- 23.91 − 13 =
- 24.84 − 16 =
- 25.87 − 31 =
- 26.58 − 47 =
- 27.80 − 42 =
- 28.74 − 37 =
- 29.52 − 36 =
- 30.92 − 78 =
- 31.88 − 55 =
- 32.89 − 38 =
- 33.65 − 16 =
- 34.53 − 32 =
- 35.89 − 63 =
- 36.69 − 13 =
- 37.53 − 15 =
- 38.73 − 12 =
- 39.67 − 47 =
- 40.52 − 23 =
Answer key
- 12
- 17
- 47
- 47
- 68
- 13
- 36
- 33
- 13
- 16
- 35
- 42
- 65
- 35
- 38
- 39
- 13
- 70
- 26
- 13
- 24
- 33
- 78
- 68
- 56
- 11
- 38
- 37
- 16
- 14
- 33
- 51
- 49
- 21
- 26
- 56
- 38
- 61
- 20
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths