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
- 1.86 − 57 =
- 2.73 − 33 =
- 3.71 − 21 =
- 4.59 − 27 =
- 5.83 − 65 =
- 6.56 − 24 =
- 7.97 − 41 =
- 8.52 − 37 =
- 9.84 − 34 =
- 10.68 − 51 =
- 11.54 − 12 =
- 12.58 − 34 =
- 13.60 − 38 =
- 14.77 − 24 =
- 15.76 − 41 =
- 16.67 − 41 =
- 17.56 − 44 =
- 18.78 − 21 =
- 19.86 − 61 =
- 20.79 − 55 =
- 21.70 − 53 =
- 22.60 − 12 =
- 23.53 − 12 =
- 24.88 − 38 =
- 25.84 − 13 =
- 26.66 − 32 =
- 27.89 − 61 =
- 28.57 − 38 =
- 29.67 − 34 =
- 30.70 − 34 =
- 31.74 − 21 =
- 32.52 − 18 =
- 33.57 − 17 =
- 34.61 − 19 =
- 35.87 − 61 =
- 36.61 − 36 =
- 37.89 − 29 =
- 38.97 − 53 =
- 39.56 − 18 =
- 40.99 − 49 =
Answer key
- 29
- 40
- 50
- 32
- 18
- 32
- 56
- 15
- 50
- 17
- 42
- 24
- 22
- 53
- 35
- 26
- 12
- 57
- 25
- 24
- 17
- 48
- 41
- 50
- 71
- 34
- 28
- 19
- 33
- 36
- 53
- 34
- 40
- 42
- 26
- 25
- 60
- 44
- 38
- 50
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths