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 − 45 =
- 2.72 − 57 =
- 3.56 − 39 =
- 4.95 − 21 =
- 5.82 − 28 =
- 6.64 − 12 =
- 7.93 − 48 =
- 8.94 − 75 =
- 9.94 − 15 =
- 10.55 − 16 =
- 11.69 − 12 =
- 12.54 − 15 =
- 13.84 − 25 =
- 14.92 − 69 =
- 15.87 − 51 =
- 16.52 − 21 =
- 17.91 − 61 =
- 18.84 − 23 =
- 19.89 − 66 =
- 20.97 − 86 =
- 21.79 − 23 =
- 22.54 − 24 =
- 23.60 − 35 =
- 24.97 − 68 =
- 25.88 − 42 =
- 26.72 − 17 =
- 27.66 − 52 =
- 28.58 − 35 =
- 29.95 − 84 =
- 30.86 − 21 =
- 31.75 − 41 =
- 32.88 − 31 =
- 33.67 − 23 =
- 34.60 − 32 =
- 35.64 − 28 =
- 36.91 − 57 =
- 37.56 − 37 =
- 38.63 − 21 =
- 39.96 − 51 =
- 40.99 − 51 =
Answer key
- 42
- 15
- 17
- 74
- 54
- 52
- 45
- 19
- 79
- 39
- 57
- 39
- 59
- 23
- 36
- 31
- 30
- 61
- 23
- 11
- 56
- 30
- 25
- 29
- 46
- 55
- 14
- 23
- 11
- 65
- 34
- 57
- 44
- 28
- 36
- 34
- 19
- 42
- 45
- 48
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths