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 − 31 =
- 2.55 − 13 =
- 3.98 − 78 =
- 4.98 − 37 =
- 5.75 − 16 =
- 6.70 − 21 =
- 7.65 − 51 =
- 8.93 − 54 =
- 9.86 − 21 =
- 10.83 − 51 =
- 11.95 − 67 =
- 12.57 − 15 =
- 13.62 − 15 =
- 14.59 − 49 =
- 15.56 − 44 =
- 16.59 − 21 =
- 17.71 − 16 =
- 18.84 − 55 =
- 19.98 − 72 =
- 20.93 − 83 =
- 21.55 − 19 =
- 22.66 − 28 =
- 23.86 − 35 =
- 24.80 − 54 =
- 25.97 − 71 =
- 26.76 − 57 =
- 27.83 − 61 =
- 28.87 − 19 =
- 29.82 − 32 =
- 30.59 − 19 =
- 31.96 − 44 =
- 32.84 − 12 =
- 33.64 − 31 =
- 34.52 − 38 =
- 35.90 − 51 =
- 36.67 − 53 =
- 37.64 − 43 =
- 38.70 − 13 =
- 39.61 − 27 =
- 40.75 − 24 =
Answer key
- 61
- 42
- 20
- 61
- 59
- 49
- 14
- 39
- 65
- 32
- 28
- 42
- 47
- 10
- 12
- 38
- 55
- 29
- 26
- 10
- 36
- 38
- 51
- 26
- 26
- 19
- 22
- 68
- 50
- 40
- 52
- 72
- 33
- 14
- 39
- 14
- 21
- 57
- 34
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths