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
- 1.60 − 41 =
- 2.93 − 22 =
- 3.68 − 31 =
- 4.85 − 51 =
- 5.96 − 35 =
- 6.60 − 21 =
- 7.61 − 51 =
- 8.84 − 26 =
- 9.58 − 32 =
- 10.75 − 32 =
- 11.58 − 28 =
- 12.86 − 63 =
- 13.94 − 68 =
- 14.54 − 29 =
- 15.57 − 31 =
- 16.93 − 57 =
- 17.80 − 66 =
- 18.97 − 27 =
- 19.58 − 15 =
- 20.53 − 21 =
- 21.72 − 51 =
- 22.99 − 31 =
- 23.88 − 12 =
- 24.53 − 23 =
- 25.55 − 15 =
- 26.55 − 45 =
- 27.72 − 21 =
- 28.57 − 21 =
- 29.58 − 25 =
- 30.85 − 14 =
- 31.72 − 47 =
- 32.77 − 39 =
- 33.73 − 51 =
- 34.55 − 29 =
- 35.92 − 51 =
- 36.55 − 22 =
- 37.95 − 27 =
- 38.83 − 54 =
- 39.89 − 28 =
- 40.83 − 12 =
Answer key
- 19
- 71
- 37
- 34
- 61
- 39
- 10
- 58
- 26
- 43
- 30
- 23
- 26
- 25
- 26
- 36
- 14
- 70
- 43
- 32
- 21
- 68
- 76
- 30
- 40
- 10
- 51
- 36
- 33
- 71
- 25
- 38
- 22
- 26
- 41
- 33
- 68
- 29
- 61
- 71
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths