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
- 1.61 − 15 =
- 2.73 − 46 =
- 3.88 − 35 =
- 4.59 − 35 =
- 5.57 − 17 =
- 6.75 − 51 =
- 7.65 − 31 =
- 8.91 − 17 =
- 9.77 − 46 =
- 10.85 − 16 =
- 11.95 − 72 =
- 12.96 − 31 =
- 13.73 − 59 =
- 14.97 − 81 =
- 15.64 − 42 =
- 16.61 − 41 =
- 17.87 − 75 =
- 18.52 − 28 =
- 19.60 − 21 =
- 20.61 − 29 =
- 21.85 − 53 =
- 22.78 − 37 =
- 23.75 − 49 =
- 24.62 − 27 =
- 25.84 − 38 =
- 26.69 − 17 =
- 27.73 − 29 =
- 28.95 − 82 =
- 29.53 − 42 =
- 30.69 − 38 =
- 31.82 − 57 =
- 32.80 − 61 =
- 33.80 − 52 =
- 34.91 − 81 =
- 35.66 − 17 =
- 36.88 − 51 =
- 37.82 − 22 =
- 38.86 − 34 =
- 39.60 − 12 =
- 40.65 − 36 =
Answer key
- 46
- 27
- 53
- 24
- 40
- 24
- 34
- 74
- 31
- 69
- 23
- 65
- 14
- 16
- 22
- 20
- 12
- 24
- 39
- 32
- 32
- 41
- 26
- 35
- 46
- 52
- 44
- 13
- 11
- 31
- 25
- 19
- 28
- 10
- 49
- 37
- 60
- 52
- 48
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths