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
- 1.75 − 55 =
- 2.72 − 55 =
- 3.55 − 36 =
- 4.67 − 25 =
- 5.94 − 44 =
- 6.53 − 23 =
- 7.72 − 37 =
- 8.54 − 23 =
- 9.86 − 21 =
- 10.85 − 64 =
- 11.84 − 26 =
- 12.54 − 19 =
- 13.61 − 19 =
- 14.81 − 43 =
- 15.86 − 33 =
- 16.89 − 47 =
- 17.85 − 24 =
- 18.54 − 21 =
- 19.88 − 77 =
- 20.97 − 62 =
- 21.54 − 39 =
- 22.65 − 34 =
- 23.94 − 81 =
- 24.98 − 34 =
- 25.75 − 61 =
- 26.86 − 15 =
- 27.85 − 56 =
- 28.64 − 36 =
- 29.57 − 38 =
- 30.53 − 31 =
- 31.88 − 68 =
- 32.79 − 21 =
- 33.89 − 39 =
- 34.83 − 58 =
- 35.68 − 23 =
- 36.63 − 14 =
- 37.61 − 25 =
- 38.59 − 12 =
- 39.87 − 55 =
- 40.59 − 43 =
Answer key
- 20
- 17
- 19
- 42
- 50
- 30
- 35
- 31
- 65
- 21
- 58
- 35
- 42
- 38
- 53
- 42
- 61
- 33
- 11
- 35
- 15
- 31
- 13
- 64
- 14
- 71
- 29
- 28
- 19
- 22
- 20
- 58
- 50
- 25
- 45
- 49
- 36
- 47
- 32
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths