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
- 1.87 − 45 =
- 2.89 − 57 =
- 3.78 − 23 =
- 4.94 − 41 =
- 5.77 − 59 =
- 6.99 − 79 =
- 7.56 − 32 =
- 8.77 − 44 =
- 9.66 − 56 =
- 10.56 − 33 =
- 11.52 − 18 =
- 12.58 − 24 =
- 13.66 − 31 =
- 14.55 − 26 =
- 15.65 − 35 =
- 16.63 − 23 =
- 17.94 − 43 =
- 18.62 − 21 =
- 19.69 − 26 =
- 20.67 − 23 =
- 21.84 − 67 =
- 22.67 − 28 =
- 23.56 − 27 =
- 24.65 − 16 =
- 25.88 − 42 =
- 26.69 − 52 =
- 27.66 − 15 =
- 28.70 − 36 =
- 29.59 − 17 =
- 30.74 − 54 =
- 31.74 − 21 =
- 32.64 − 44 =
- 33.61 − 26 =
- 34.70 − 27 =
- 35.68 − 53 =
- 36.91 − 61 =
- 37.89 − 73 =
- 38.52 − 15 =
- 39.90 − 71 =
- 40.65 − 19 =
Answer key
- 42
- 32
- 55
- 53
- 18
- 20
- 24
- 33
- 10
- 23
- 34
- 34
- 35
- 29
- 30
- 40
- 51
- 41
- 43
- 44
- 17
- 39
- 29
- 49
- 46
- 17
- 51
- 34
- 42
- 20
- 53
- 20
- 35
- 43
- 15
- 30
- 16
- 37
- 19
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths