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
- 1.86 − 71 =
- 2.56 − 41 =
- 3.65 − 33 =
- 4.70 − 12 =
- 5.64 − 27 =
- 6.53 − 17 =
- 7.53 − 41 =
- 8.78 − 51 =
- 9.83 − 21 =
- 10.65 − 45 =
- 11.99 − 81 =
- 12.95 − 48 =
- 13.63 − 23 =
- 14.92 − 31 =
- 15.55 − 15 =
- 16.58 − 36 =
- 17.55 − 13 =
- 18.85 − 15 =
- 19.80 − 57 =
- 20.60 − 19 =
- 21.94 − 34 =
- 22.93 − 38 =
- 23.75 − 42 =
- 24.66 − 38 =
- 25.76 − 17 =
- 26.78 − 52 =
- 27.53 − 39 =
- 28.71 − 34 =
- 29.90 − 69 =
- 30.72 − 26 =
- 31.59 − 21 =
- 32.76 − 39 =
- 33.65 − 34 =
- 34.92 − 19 =
- 35.94 − 76 =
- 36.65 − 19 =
- 37.95 − 28 =
- 38.60 − 33 =
- 39.84 − 57 =
- 40.95 − 56 =
Answer key
- 15
- 15
- 32
- 58
- 37
- 36
- 12
- 27
- 62
- 20
- 18
- 47
- 40
- 61
- 40
- 22
- 42
- 70
- 23
- 41
- 60
- 55
- 33
- 28
- 59
- 26
- 14
- 37
- 21
- 46
- 38
- 37
- 31
- 73
- 18
- 46
- 67
- 27
- 27
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths