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
- 1.55 − 45 =
- 2.77 − 64 =
- 3.57 − 15 =
- 4.62 − 26 =
- 5.90 − 27 =
- 6.62 − 21 =
- 7.76 − 42 =
- 8.84 − 73 =
- 9.76 − 54 =
- 10.75 − 39 =
- 11.58 − 48 =
- 12.97 − 41 =
- 13.58 − 21 =
- 14.61 − 51 =
- 15.82 − 67 =
- 16.94 − 57 =
- 17.53 − 33 =
- 18.84 − 15 =
- 19.79 − 31 =
- 20.87 − 28 =
- 21.70 − 51 =
- 22.77 − 12 =
- 23.76 − 56 =
- 24.90 − 39 =
- 25.72 − 42 =
- 26.62 − 16 =
- 27.65 − 41 =
- 28.83 − 41 =
- 29.88 − 29 =
- 30.75 − 52 =
- 31.97 − 17 =
- 32.74 − 41 =
- 33.65 − 49 =
- 34.88 − 37 =
- 35.52 − 22 =
- 36.54 − 32 =
- 37.68 − 54 =
- 38.84 − 74 =
- 39.91 − 52 =
- 40.65 − 22 =
Answer key
- 10
- 13
- 42
- 36
- 63
- 41
- 34
- 11
- 22
- 36
- 10
- 56
- 37
- 10
- 15
- 37
- 20
- 69
- 48
- 59
- 19
- 65
- 20
- 51
- 30
- 46
- 24
- 42
- 59
- 23
- 80
- 33
- 16
- 51
- 30
- 22
- 14
- 10
- 39
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths