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
- 1.91 − 78 =
- 2.77 − 43 =
- 3.63 − 21 =
- 4.91 − 21 =
- 5.55 − 31 =
- 6.95 − 79 =
- 7.96 − 45 =
- 8.57 − 12 =
- 9.65 − 34 =
- 10.84 − 18 =
- 11.91 − 12 =
- 12.55 − 13 =
- 13.85 − 48 =
- 14.94 − 41 =
- 15.73 − 54 =
- 16.63 − 18 =
- 17.80 − 14 =
- 18.75 − 57 =
- 19.86 − 22 =
- 20.65 − 36 =
- 21.71 − 25 =
- 22.55 − 39 =
- 23.98 − 29 =
- 24.92 − 38 =
- 25.90 − 34 =
- 26.93 − 62 =
- 27.87 − 44 =
- 28.88 − 62 =
- 29.69 − 26 =
- 30.90 − 21 =
- 31.70 − 21 =
- 32.73 − 13 =
- 33.89 − 73 =
- 34.68 − 26 =
- 35.65 − 51 =
- 36.59 − 14 =
- 37.52 − 12 =
- 38.57 − 13 =
- 39.57 − 37 =
- 40.98 − 66 =
Answer key
- 13
- 34
- 42
- 70
- 24
- 16
- 51
- 45
- 31
- 66
- 79
- 42
- 37
- 53
- 19
- 45
- 66
- 18
- 64
- 29
- 46
- 16
- 69
- 54
- 56
- 31
- 43
- 26
- 43
- 69
- 49
- 60
- 16
- 42
- 14
- 45
- 40
- 44
- 20
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths