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
- 1.56 − 33 =
- 2.61 − 13 =
- 3.53 − 31 =
- 4.77 − 55 =
- 5.62 − 32 =
- 6.75 − 46 =
- 7.85 − 18 =
- 8.55 − 39 =
- 9.78 − 49 =
- 10.72 − 29 =
- 11.62 − 34 =
- 12.78 − 21 =
- 13.59 − 36 =
- 14.92 − 13 =
- 15.55 − 43 =
- 16.82 − 42 =
- 17.76 − 32 =
- 18.71 − 49 =
- 19.63 − 49 =
- 20.63 − 32 =
- 21.66 − 14 =
- 22.59 − 38 =
- 23.78 − 61 =
- 24.67 − 51 =
- 25.59 − 16 =
- 26.72 − 41 =
- 27.62 − 43 =
- 28.85 − 51 =
- 29.92 − 28 =
- 30.88 − 46 =
- 31.98 − 88 =
- 32.62 − 47 =
- 33.86 − 71 =
- 34.93 − 72 =
- 35.95 − 48 =
- 36.64 − 46 =
- 37.55 − 41 =
- 38.88 − 18 =
- 39.68 − 36 =
- 40.83 − 68 =
Answer key
- 23
- 48
- 22
- 22
- 30
- 29
- 67
- 16
- 29
- 43
- 28
- 57
- 23
- 79
- 12
- 40
- 44
- 22
- 14
- 31
- 52
- 21
- 17
- 16
- 43
- 31
- 19
- 34
- 64
- 42
- 10
- 15
- 15
- 21
- 47
- 18
- 14
- 70
- 32
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths