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
- 1.54 − 31 =
- 2.97 − 68 =
- 3.61 − 18 =
- 4.74 − 31 =
- 5.61 − 29 =
- 6.97 − 21 =
- 7.69 − 25 =
- 8.52 − 35 =
- 9.98 − 54 =
- 10.96 − 55 =
- 11.81 − 12 =
- 12.87 − 19 =
- 13.99 − 71 =
- 14.88 − 37 =
- 15.77 − 43 =
- 16.65 − 21 =
- 17.61 − 28 =
- 18.97 − 56 =
- 19.80 − 42 =
- 20.97 − 54 =
- 21.97 − 61 =
- 22.87 − 39 =
- 23.73 − 61 =
- 24.94 − 45 =
- 25.77 − 16 =
- 26.81 − 63 =
- 27.84 − 65 =
- 28.69 − 39 =
- 29.83 − 51 =
- 30.57 − 32 =
- 31.81 − 52 =
- 32.63 − 33 =
- 33.67 − 38 =
- 34.77 − 25 =
- 35.91 − 41 =
- 36.81 − 46 =
- 37.61 − 21 =
- 38.56 − 38 =
- 39.72 − 59 =
- 40.92 − 47 =
Answer key
- 23
- 29
- 43
- 43
- 32
- 76
- 44
- 17
- 44
- 41
- 69
- 68
- 28
- 51
- 34
- 44
- 33
- 41
- 38
- 43
- 36
- 48
- 12
- 49
- 61
- 18
- 19
- 30
- 32
- 25
- 29
- 30
- 29
- 52
- 50
- 35
- 40
- 18
- 13
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths