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
- 1.68 − 21 =
- 2.79 − 51 =
- 3.54 − 22 =
- 4.93 − 65 =
- 5.63 − 24 =
- 6.63 − 26 =
- 7.76 − 42 =
- 8.72 − 56 =
- 9.62 − 43 =
- 10.58 − 35 =
- 11.88 − 16 =
- 12.82 − 38 =
- 13.94 − 28 =
- 14.91 − 45 =
- 15.76 − 31 =
- 16.62 − 48 =
- 17.84 − 69 =
- 18.60 − 26 =
- 19.86 − 41 =
- 20.61 − 14 =
- 21.62 − 38 =
- 22.68 − 31 =
- 23.55 − 26 =
- 24.57 − 35 =
- 25.61 − 45 =
- 26.52 − 39 =
- 27.56 − 23 =
- 28.99 − 39 =
- 29.56 − 28 =
- 30.66 − 37 =
- 31.96 − 19 =
- 32.75 − 52 =
- 33.71 − 31 =
- 34.90 − 24 =
- 35.61 − 13 =
- 36.77 − 23 =
- 37.77 − 31 =
- 38.99 − 89 =
- 39.54 − 24 =
- 40.93 − 43 =
Answer key
- 47
- 28
- 32
- 28
- 39
- 37
- 34
- 16
- 19
- 23
- 72
- 44
- 66
- 46
- 45
- 14
- 15
- 34
- 45
- 47
- 24
- 37
- 29
- 22
- 16
- 13
- 33
- 60
- 28
- 29
- 77
- 23
- 40
- 66
- 48
- 54
- 46
- 10
- 30
- 50
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths