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
- 1.58 − 17 =
- 2.87 − 12 =
- 3.69 − 32 =
- 4.63 − 49 =
- 5.97 − 78 =
- 6.61 − 14 =
- 7.79 − 41 =
- 8.85 − 21 =
- 9.82 − 25 =
- 10.55 − 16 =
- 11.56 − 18 =
- 12.91 − 41 =
- 13.80 − 58 =
- 14.98 − 15 =
- 15.92 − 25 =
- 16.96 − 16 =
- 17.65 − 19 =
- 18.55 − 31 =
- 19.94 − 37 =
- 20.52 − 35 =
- 21.64 − 41 =
- 22.88 − 21 =
- 23.66 − 53 =
- 24.65 − 28 =
- 25.96 − 81 =
- 26.89 − 48 =
- 27.90 − 73 =
- 28.96 − 14 =
- 29.61 − 23 =
- 30.90 − 38 =
- 31.93 − 29 =
- 32.83 − 45 =
- 33.55 − 21 =
- 34.58 − 28 =
- 35.73 − 21 =
- 36.68 − 42 =
- 37.93 − 32 =
- 38.79 − 67 =
- 39.69 − 58 =
- 40.78 − 55 =
Answer key
- 41
- 75
- 37
- 14
- 19
- 47
- 38
- 64
- 57
- 39
- 38
- 50
- 22
- 83
- 67
- 80
- 46
- 24
- 57
- 17
- 23
- 67
- 13
- 37
- 15
- 41
- 17
- 82
- 38
- 52
- 64
- 38
- 34
- 30
- 52
- 26
- 61
- 12
- 11
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths