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
- 1.66 − 31 =
- 2.83 − 57 =
- 3.52 − 12 =
- 4.53 − 38 =
- 5.63 − 33 =
- 6.61 − 12 =
- 7.53 − 36 =
- 8.64 − 28 =
- 9.63 − 31 =
- 10.80 − 14 =
- 11.64 − 18 =
- 12.54 − 12 =
- 13.97 − 72 =
- 14.90 − 76 =
- 15.52 − 27 =
- 16.97 − 76 =
- 17.80 − 65 =
- 18.58 − 45 =
- 19.98 − 35 =
- 20.61 − 15 =
- 21.67 − 41 =
- 22.64 − 35 =
- 23.79 − 55 =
- 24.67 − 15 =
- 25.58 − 21 =
- 26.82 − 36 =
- 27.91 − 31 =
- 28.71 − 54 =
- 29.66 − 38 =
- 30.61 − 47 =
- 31.60 − 12 =
- 32.64 − 32 =
- 33.71 − 18 =
- 34.91 − 38 =
- 35.68 − 51 =
- 36.70 − 45 =
- 37.79 − 61 =
- 38.92 − 63 =
- 39.58 − 12 =
- 40.58 − 38 =
Answer key
- 35
- 26
- 40
- 15
- 30
- 49
- 17
- 36
- 32
- 66
- 46
- 42
- 25
- 14
- 25
- 21
- 15
- 13
- 63
- 46
- 26
- 29
- 24
- 52
- 37
- 46
- 60
- 17
- 28
- 14
- 48
- 32
- 53
- 53
- 17
- 25
- 18
- 29
- 46
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths