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
- 1.66 − 47 =
- 2.66 − 46 =
- 3.56 − 29 =
- 4.98 − 87 =
- 5.78 − 31 =
- 6.77 − 66 =
- 7.98 − 73 =
- 8.73 − 18 =
- 9.92 − 46 =
- 10.57 − 29 =
- 11.98 − 84 =
- 12.82 − 28 =
- 13.56 − 17 =
- 14.98 − 25 =
- 15.99 − 59 =
- 16.94 − 46 =
- 17.56 − 34 =
- 18.94 − 16 =
- 19.71 − 17 =
- 20.83 − 23 =
- 21.55 − 41 =
- 22.67 − 14 =
- 23.67 − 45 =
- 24.63 − 37 =
- 25.71 − 16 =
- 26.67 − 34 =
- 27.65 − 51 =
- 28.98 − 13 =
- 29.52 − 28 =
- 30.59 − 21 =
- 31.93 − 18 =
- 32.65 − 39 =
- 33.80 − 44 =
- 34.65 − 22 =
- 35.54 − 31 =
- 36.66 − 38 =
- 37.87 − 41 =
- 38.94 − 55 =
- 39.67 − 32 =
- 40.86 − 57 =
Answer key
- 19
- 20
- 27
- 11
- 47
- 11
- 25
- 55
- 46
- 28
- 14
- 54
- 39
- 73
- 40
- 48
- 22
- 78
- 54
- 60
- 14
- 53
- 22
- 26
- 55
- 33
- 14
- 85
- 24
- 38
- 75
- 26
- 36
- 43
- 23
- 28
- 46
- 39
- 35
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths