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
- 1.74 − 54 =
- 2.74 − 31 =
- 3.54 − 17 =
- 4.66 − 27 =
- 5.56 − 22 =
- 6.81 − 16 =
- 7.77 − 33 =
- 8.80 − 64 =
- 9.60 − 16 =
- 10.98 − 49 =
- 11.82 − 47 =
- 12.80 − 28 =
- 13.95 − 27 =
- 14.66 − 41 =
- 15.98 − 43 =
- 16.61 − 21 =
- 17.82 − 71 =
- 18.61 − 22 =
- 19.55 − 41 =
- 20.93 − 35 =
- 21.62 − 22 =
- 22.80 − 51 =
- 23.97 − 26 =
- 24.94 − 66 =
- 25.88 − 33 =
- 26.60 − 39 =
- 27.70 − 25 =
- 28.63 − 38 =
- 29.87 − 74 =
- 30.64 − 38 =
- 31.84 − 12 =
- 32.76 − 52 =
- 33.98 − 67 =
- 34.64 − 14 =
- 35.56 − 25 =
- 36.84 − 69 =
- 37.83 − 21 =
- 38.98 − 31 =
- 39.55 − 22 =
- 40.95 − 15 =
Answer key
- 20
- 43
- 37
- 39
- 34
- 65
- 44
- 16
- 44
- 49
- 35
- 52
- 68
- 25
- 55
- 40
- 11
- 39
- 14
- 58
- 40
- 29
- 71
- 28
- 55
- 21
- 45
- 25
- 13
- 26
- 72
- 24
- 31
- 50
- 31
- 15
- 62
- 67
- 33
- 80
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths