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
- 1.57 − 24 =
- 2.74 − 41 =
- 3.76 − 19 =
- 4.54 − 31 =
- 5.60 − 13 =
- 6.59 − 29 =
- 7.98 − 54 =
- 8.59 − 15 =
- 9.91 − 39 =
- 10.75 − 19 =
- 11.92 − 13 =
- 12.53 − 43 =
- 13.57 − 41 =
- 14.96 − 77 =
- 15.87 − 17 =
- 16.70 − 15 =
- 17.53 − 39 =
- 18.79 − 49 =
- 19.81 − 19 =
- 20.94 − 29 =
- 21.69 − 21 =
- 22.68 − 54 =
- 23.68 − 15 =
- 24.82 − 41 =
- 25.98 − 86 =
- 26.88 − 36 =
- 27.77 − 43 =
- 28.71 − 17 =
- 29.55 − 34 =
- 30.61 − 42 =
- 31.95 − 44 =
- 32.74 − 36 =
- 33.80 − 12 =
- 34.64 − 21 =
- 35.60 − 51 =
- 36.76 − 22 =
- 37.82 − 69 =
- 38.85 − 39 =
- 39.73 − 59 =
- 40.62 − 21 =
Answer key
- 33
- 33
- 57
- 23
- 47
- 30
- 44
- 44
- 52
- 56
- 79
- 10
- 16
- 19
- 70
- 55
- 14
- 30
- 62
- 65
- 48
- 14
- 53
- 41
- 12
- 52
- 34
- 54
- 21
- 19
- 51
- 38
- 68
- 43
- 9
- 54
- 13
- 46
- 14
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths