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
- 1.76 − 15 =
- 2.76 − 63 =
- 3.66 − 19 =
- 4.97 − 79 =
- 5.98 − 34 =
- 6.70 − 14 =
- 7.84 − 66 =
- 8.76 − 48 =
- 9.87 − 35 =
- 10.84 − 42 =
- 11.63 − 24 =
- 12.59 − 15 =
- 13.69 − 32 =
- 14.77 − 23 =
- 15.92 − 63 =
- 16.59 − 48 =
- 17.63 − 53 =
- 18.60 − 43 =
- 19.62 − 31 =
- 20.95 − 17 =
- 21.93 − 71 =
- 22.95 − 13 =
- 23.74 − 17 =
- 24.96 − 53 =
- 25.53 − 12 =
- 26.55 − 35 =
- 27.98 − 78 =
- 28.77 − 12 =
- 29.67 − 21 =
- 30.64 − 45 =
- 31.82 − 18 =
- 32.59 − 28 =
- 33.59 − 23 =
- 34.62 − 47 =
- 35.59 − 49 =
- 36.90 − 71 =
- 37.54 − 39 =
- 38.77 − 14 =
- 39.77 − 42 =
- 40.63 − 42 =
Answer key
- 61
- 13
- 47
- 18
- 64
- 56
- 18
- 28
- 52
- 42
- 39
- 44
- 37
- 54
- 29
- 11
- 10
- 17
- 31
- 78
- 22
- 82
- 57
- 43
- 41
- 20
- 20
- 65
- 46
- 19
- 64
- 31
- 36
- 15
- 10
- 19
- 15
- 63
- 35
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths