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
- 1.70 − 46 =
- 2.89 − 49 =
- 3.80 − 48 =
- 4.83 − 47 =
- 5.78 − 29 =
- 6.84 − 31 =
- 7.82 − 21 =
- 8.93 − 23 =
- 9.76 − 19 =
- 10.75 − 21 =
- 11.87 − 75 =
- 12.53 − 33 =
- 13.67 − 33 =
- 14.78 − 24 =
- 15.60 − 31 =
- 16.98 − 41 =
- 17.67 − 51 =
- 18.77 − 15 =
- 19.55 − 31 =
- 20.96 − 44 =
- 21.57 − 27 =
- 22.99 − 81 =
- 23.65 − 36 =
- 24.93 − 54 =
- 25.69 − 12 =
- 26.84 − 34 =
- 27.75 − 28 =
- 28.62 − 33 =
- 29.89 − 32 =
- 30.89 − 21 =
- 31.60 − 32 =
- 32.64 − 35 =
- 33.52 − 12 =
- 34.95 − 55 =
- 35.69 − 25 =
- 36.61 − 43 =
- 37.64 − 31 =
- 38.53 − 13 =
- 39.57 − 16 =
- 40.52 − 33 =
Answer key
- 24
- 40
- 32
- 36
- 49
- 53
- 61
- 70
- 57
- 54
- 12
- 20
- 34
- 54
- 29
- 57
- 16
- 62
- 24
- 52
- 30
- 18
- 29
- 39
- 57
- 50
- 47
- 29
- 57
- 68
- 28
- 29
- 40
- 40
- 44
- 18
- 33
- 40
- 41
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths