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
- 1.52 − 34 =
- 2.68 − 21 =
- 3.92 − 71 =
- 4.54 − 14 =
- 5.78 − 59 =
- 6.93 − 39 =
- 7.55 − 12 =
- 8.64 − 31 =
- 9.75 − 52 =
- 10.54 − 15 =
- 11.86 − 21 =
- 12.90 − 75 =
- 13.90 − 71 =
- 14.64 − 24 =
- 15.55 − 37 =
- 16.85 − 46 =
- 17.72 − 21 =
- 18.64 − 34 =
- 19.65 − 55 =
- 20.97 − 84 =
- 21.54 − 36 =
- 22.90 − 49 =
- 23.83 − 61 =
- 24.52 − 23 =
- 25.58 − 29 =
- 26.87 − 39 =
- 27.74 − 24 =
- 28.67 − 14 =
- 29.77 − 45 =
- 30.90 − 53 =
- 31.73 − 31 =
- 32.89 − 57 =
- 33.61 − 48 =
- 34.58 − 21 =
- 35.89 − 43 =
- 36.55 − 43 =
- 37.59 − 38 =
- 38.89 − 51 =
- 39.95 − 59 =
- 40.69 − 12 =
Answer key
- 18
- 47
- 21
- 40
- 19
- 54
- 43
- 33
- 23
- 39
- 65
- 15
- 19
- 40
- 18
- 39
- 51
- 30
- 10
- 13
- 18
- 41
- 22
- 29
- 29
- 48
- 50
- 53
- 32
- 37
- 42
- 32
- 13
- 37
- 46
- 12
- 21
- 38
- 36
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths