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
- 1.89 − 21 =
- 2.97 − 75 =
- 3.60 − 21 =
- 4.98 − 37 =
- 5.96 − 12 =
- 6.77 − 43 =
- 7.89 − 79 =
- 8.75 − 32 =
- 9.84 − 67 =
- 10.81 − 12 =
- 11.99 − 71 =
- 12.54 − 36 =
- 13.90 − 76 =
- 14.76 − 16 =
- 15.98 − 46 =
- 16.91 − 68 =
- 17.55 − 34 =
- 18.80 − 59 =
- 19.62 − 17 =
- 20.59 − 18 =
- 21.77 − 67 =
- 22.86 − 21 =
- 23.67 − 17 =
- 24.70 − 42 =
- 25.96 − 64 =
- 26.97 − 31 =
- 27.78 − 61 =
- 28.83 − 24 =
- 29.57 − 44 =
- 30.92 − 74 =
- 31.53 − 17 =
- 32.99 − 43 =
- 33.98 − 64 =
- 34.66 − 48 =
- 35.91 − 12 =
- 36.92 − 38 =
- 37.64 − 29 =
- 38.89 − 28 =
- 39.91 − 71 =
- 40.55 − 24 =
Answer key
- 68
- 22
- 39
- 61
- 84
- 34
- 10
- 43
- 17
- 69
- 28
- 18
- 14
- 60
- 52
- 23
- 21
- 21
- 45
- 41
- 10
- 65
- 50
- 28
- 32
- 66
- 17
- 59
- 13
- 18
- 36
- 56
- 34
- 18
- 79
- 54
- 35
- 61
- 20
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths