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
- 1.54 − 31 =
- 2.69 − 39 =
- 3.96 − 41 =
- 4.86 − 52 =
- 5.63 − 23 =
- 6.81 − 21 =
- 7.74 − 55 =
- 8.58 − 18 =
- 9.64 − 51 =
- 10.87 − 34 =
- 11.88 − 45 =
- 12.52 − 41 =
- 13.65 − 51 =
- 14.99 − 47 =
- 15.92 − 69 =
- 16.59 − 19 =
- 17.95 − 14 =
- 18.90 − 37 =
- 19.64 − 24 =
- 20.77 − 36 =
- 21.65 − 43 =
- 22.56 − 21 =
- 23.85 − 26 =
- 24.55 − 14 =
- 25.92 − 37 =
- 26.56 − 43 =
- 27.73 − 14 =
- 28.89 − 37 =
- 29.70 − 41 =
- 30.54 − 41 =
- 31.61 − 19 =
- 32.73 − 42 =
- 33.56 − 14 =
- 34.78 − 47 =
- 35.80 − 29 =
- 36.68 − 24 =
- 37.67 − 38 =
- 38.64 − 31 =
- 39.55 − 27 =
- 40.73 − 16 =
Answer key
- 23
- 30
- 55
- 34
- 40
- 60
- 19
- 40
- 13
- 53
- 43
- 11
- 14
- 52
- 23
- 40
- 81
- 53
- 40
- 41
- 22
- 35
- 59
- 41
- 55
- 13
- 59
- 52
- 29
- 13
- 42
- 31
- 42
- 31
- 51
- 44
- 29
- 33
- 28
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths