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
- 1.67 − 49 =
- 2.64 − 51 =
- 3.77 − 22 =
- 4.81 − 17 =
- 5.83 − 41 =
- 6.67 − 21 =
- 7.53 − 29 =
- 8.58 − 48 =
- 9.53 − 17 =
- 10.65 − 17 =
- 11.53 − 25 =
- 12.73 − 31 =
- 13.65 − 52 =
- 14.62 − 17 =
- 15.70 − 53 =
- 16.84 − 18 =
- 17.65 − 23 =
- 18.55 − 15 =
- 19.82 − 36 =
- 20.87 − 27 =
- 21.87 − 53 =
- 22.93 − 28 =
- 23.72 − 28 =
- 24.94 − 82 =
- 25.74 − 49 =
- 26.99 − 56 =
- 27.85 − 53 =
- 28.81 − 32 =
- 29.71 − 24 =
- 30.78 − 44 =
- 31.69 − 41 =
- 32.53 − 23 =
- 33.54 − 17 =
- 34.81 − 58 =
- 35.86 − 16 =
- 36.90 − 63 =
- 37.77 − 17 =
- 38.69 − 46 =
- 39.75 − 28 =
- 40.77 − 21 =
Answer key
- 18
- 13
- 55
- 64
- 42
- 46
- 24
- 10
- 36
- 48
- 28
- 42
- 13
- 45
- 17
- 66
- 42
- 40
- 46
- 60
- 34
- 65
- 44
- 12
- 25
- 43
- 32
- 49
- 47
- 34
- 28
- 30
- 37
- 23
- 70
- 27
- 60
- 23
- 47
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths