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
- 1.55 − 17 =
- 2.72 − 28 =
- 3.98 − 14 =
- 4.82 − 65 =
- 5.90 − 41 =
- 6.97 − 47 =
- 7.59 − 29 =
- 8.93 − 32 =
- 9.67 − 43 =
- 10.55 − 26 =
- 11.92 − 72 =
- 12.93 − 51 =
- 13.53 − 19 =
- 14.73 − 57 =
- 15.89 − 48 =
- 16.83 − 65 =
- 17.76 − 44 =
- 18.58 − 14 =
- 19.57 − 26 =
- 20.99 − 47 =
- 21.69 − 52 =
- 22.58 − 21 =
- 23.92 − 25 =
- 24.70 − 49 =
- 25.65 − 46 =
- 26.91 − 52 =
- 27.95 − 44 =
- 28.72 − 52 =
- 29.80 − 29 =
- 30.82 − 45 =
- 31.73 − 45 =
- 32.86 − 55 =
- 33.59 − 47 =
- 34.70 − 38 =
- 35.64 − 34 =
- 36.67 − 35 =
- 37.95 − 14 =
- 38.60 − 44 =
- 39.83 − 53 =
- 40.96 − 51 =
Answer key
- 38
- 44
- 84
- 17
- 49
- 50
- 30
- 61
- 24
- 29
- 20
- 42
- 34
- 16
- 41
- 18
- 32
- 44
- 31
- 52
- 17
- 37
- 67
- 21
- 19
- 39
- 51
- 20
- 51
- 37
- 28
- 31
- 12
- 32
- 30
- 32
- 81
- 16
- 30
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths