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 − 24 =
- 2.97 − 47 =
- 3.71 − 42 =
- 4.85 − 19 =
- 5.75 − 47 =
- 6.75 − 18 =
- 7.59 − 21 =
- 8.99 − 68 =
- 9.61 − 17 =
- 10.85 − 46 =
- 11.90 − 57 =
- 12.93 − 31 =
- 13.53 − 37 =
- 14.92 − 81 =
- 15.71 − 43 =
- 16.90 − 76 =
- 17.94 − 22 =
- 18.67 − 32 =
- 19.94 − 19 =
- 20.67 − 54 =
- 21.53 − 31 =
- 22.85 − 44 =
- 23.54 − 31 =
- 24.74 − 31 =
- 25.90 − 54 =
- 26.64 − 21 =
- 27.87 − 23 =
- 28.99 − 14 =
- 29.60 − 47 =
- 30.80 − 21 =
- 31.95 − 41 =
- 32.80 − 55 =
- 33.54 − 44 =
- 34.82 − 34 =
- 35.97 − 87 =
- 36.65 − 28 =
- 37.77 − 51 =
- 38.82 − 22 =
- 39.87 − 41 =
- 40.88 − 17 =
Answer key
- 42
- 50
- 29
- 66
- 28
- 57
- 38
- 31
- 44
- 39
- 33
- 62
- 16
- 11
- 28
- 14
- 72
- 35
- 75
- 13
- 22
- 41
- 23
- 43
- 36
- 43
- 64
- 85
- 13
- 59
- 54
- 25
- 10
- 48
- 10
- 37
- 26
- 60
- 46
- 71
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths