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
- 1.78 − 51 =
- 2.94 − 42 =
- 3.63 − 34 =
- 4.87 − 16 =
- 5.83 − 38 =
- 6.98 − 77 =
- 7.97 − 53 =
- 8.97 − 51 =
- 9.83 − 26 =
- 10.74 − 38 =
- 11.55 − 31 =
- 12.72 − 12 =
- 13.96 − 23 =
- 14.87 − 69 =
- 15.67 − 43 =
- 16.95 − 54 =
- 17.60 − 36 =
- 18.83 − 57 =
- 19.82 − 22 =
- 20.90 − 14 =
- 21.70 − 13 =
- 22.92 − 21 =
- 23.72 − 41 =
- 24.54 − 35 =
- 25.90 − 79 =
- 26.70 − 37 =
- 27.77 − 64 =
- 28.98 − 18 =
- 29.78 − 44 =
- 30.69 − 31 =
- 31.96 − 35 =
- 32.60 − 39 =
- 33.59 − 44 =
- 34.59 − 19 =
- 35.67 − 55 =
- 36.96 − 17 =
- 37.74 − 16 =
- 38.73 − 38 =
- 39.82 − 34 =
- 40.88 − 17 =
Answer key
- 27
- 52
- 29
- 71
- 45
- 21
- 44
- 46
- 57
- 36
- 24
- 60
- 73
- 18
- 24
- 41
- 24
- 26
- 60
- 76
- 57
- 71
- 31
- 19
- 11
- 33
- 13
- 80
- 34
- 38
- 61
- 21
- 15
- 40
- 12
- 79
- 58
- 35
- 48
- 71
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths