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 − 19 =
- 2.62 − 16 =
- 3.60 − 27 =
- 4.62 − 12 =
- 5.91 − 47 =
- 6.98 − 18 =
- 7.95 − 48 =
- 8.56 − 31 =
- 9.54 − 32 =
- 10.96 − 61 =
- 11.57 − 16 =
- 12.93 − 71 =
- 13.91 − 69 =
- 14.79 − 33 =
- 15.65 − 22 =
- 16.71 − 61 =
- 17.60 − 32 =
- 18.72 − 25 =
- 19.84 − 31 =
- 20.79 − 43 =
- 21.57 − 18 =
- 22.70 − 58 =
- 23.55 − 33 =
- 24.65 − 28 =
- 25.93 − 81 =
- 26.99 − 61 =
- 27.62 − 38 =
- 28.74 − 48 =
- 29.83 − 37 =
- 30.79 − 68 =
- 31.82 − 21 =
- 32.71 − 34 =
- 33.94 − 48 =
- 34.52 − 21 =
- 35.77 − 37 =
- 36.57 − 47 =
- 37.56 − 43 =
- 38.77 − 51 =
- 39.77 − 18 =
- 40.90 − 61 =
Answer key
- 39
- 46
- 33
- 50
- 44
- 80
- 47
- 25
- 22
- 35
- 41
- 22
- 22
- 46
- 43
- 10
- 28
- 47
- 53
- 36
- 39
- 12
- 22
- 37
- 12
- 38
- 24
- 26
- 46
- 11
- 61
- 37
- 46
- 31
- 40
- 10
- 13
- 26
- 59
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths