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
- 1.88 − 33 =
- 2.91 − 36 =
- 3.86 − 69 =
- 4.68 − 56 =
- 5.83 − 66 =
- 6.63 − 46 =
- 7.98 − 61 =
- 8.62 − 21 =
- 9.68 − 39 =
- 10.68 − 55 =
- 11.81 − 16 =
- 12.89 − 23 =
- 13.52 − 27 =
- 14.84 − 27 =
- 15.55 − 25 =
- 16.63 − 31 =
- 17.85 − 67 =
- 18.64 − 21 =
- 19.64 − 14 =
- 20.52 − 31 =
- 21.96 − 44 =
- 22.56 − 32 =
- 23.66 − 28 =
- 24.84 − 42 =
- 25.91 − 16 =
- 26.75 − 41 =
- 27.58 − 29 =
- 28.69 − 46 =
- 29.61 − 49 =
- 30.58 − 41 =
- 31.75 − 13 =
- 32.60 − 21 =
- 33.55 − 26 =
- 34.89 − 56 =
- 35.90 − 21 =
- 36.54 − 21 =
- 37.96 − 73 =
- 38.54 − 17 =
- 39.53 − 15 =
- 40.82 − 67 =
Answer key
- 55
- 55
- 17
- 12
- 17
- 17
- 37
- 41
- 29
- 13
- 65
- 66
- 25
- 57
- 30
- 32
- 18
- 43
- 50
- 21
- 52
- 24
- 38
- 42
- 75
- 34
- 29
- 23
- 12
- 17
- 62
- 39
- 29
- 33
- 69
- 33
- 23
- 37
- 38
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths