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
- 1.87 − 31 =
- 2.87 − 58 =
- 3.68 − 27 =
- 4.62 − 13 =
- 5.65 − 52 =
- 6.61 − 26 =
- 7.89 − 21 =
- 8.52 − 27 =
- 9.77 − 44 =
- 10.52 − 36 =
- 11.53 − 22 =
- 12.86 − 23 =
- 13.96 − 75 =
- 14.72 − 55 =
- 15.70 − 39 =
- 16.91 − 77 =
- 17.76 − 52 =
- 18.84 − 28 =
- 19.79 − 47 =
- 20.64 − 24 =
- 21.61 − 41 =
- 22.71 − 21 =
- 23.64 − 44 =
- 24.53 − 19 =
- 25.62 − 27 =
- 26.85 − 23 =
- 27.97 − 51 =
- 28.88 − 74 =
- 29.61 − 25 =
- 30.63 − 53 =
- 31.64 − 17 =
- 32.61 − 19 =
- 33.85 − 68 =
- 34.79 − 14 =
- 35.72 − 31 =
- 36.88 − 38 =
- 37.99 − 64 =
- 38.78 − 19 =
- 39.86 − 27 =
- 40.97 − 15 =
Answer key
- 56
- 29
- 41
- 49
- 13
- 35
- 68
- 25
- 33
- 16
- 31
- 63
- 21
- 17
- 31
- 14
- 24
- 56
- 32
- 40
- 20
- 50
- 20
- 34
- 35
- 62
- 46
- 14
- 36
- 10
- 47
- 42
- 17
- 65
- 41
- 50
- 35
- 59
- 59
- 82
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths