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
- 1.84 − 67 =
- 2.81 − 17 =
- 3.87 − 21 =
- 4.84 − 65 =
- 5.74 − 61 =
- 6.86 − 61 =
- 7.56 − 22 =
- 8.74 − 16 =
- 9.52 − 32 =
- 10.94 − 62 =
- 11.57 − 25 =
- 12.63 − 41 =
- 13.83 − 16 =
- 14.61 − 43 =
- 15.62 − 48 =
- 16.97 − 41 =
- 17.87 − 45 =
- 18.60 − 33 =
- 19.74 − 45 =
- 20.53 − 26 =
- 21.89 − 41 =
- 22.85 − 25 =
- 23.71 − 41 =
- 24.68 − 14 =
- 25.55 − 24 =
- 26.66 − 41 =
- 27.95 − 16 =
- 28.62 − 32 =
- 29.91 − 81 =
- 30.75 − 21 =
- 31.95 − 78 =
- 32.57 − 21 =
- 33.52 − 35 =
- 34.55 − 44 =
- 35.87 − 65 =
- 36.65 − 53 =
- 37.73 − 25 =
- 38.96 − 22 =
- 39.56 − 17 =
- 40.54 − 41 =
Answer key
- 17
- 64
- 66
- 19
- 13
- 25
- 34
- 58
- 20
- 32
- 32
- 22
- 67
- 18
- 14
- 56
- 42
- 27
- 29
- 27
- 48
- 60
- 30
- 54
- 31
- 25
- 79
- 30
- 10
- 54
- 17
- 36
- 17
- 11
- 22
- 12
- 48
- 74
- 39
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths