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
- 1.71 − 21 =
- 2.73 − 31 =
- 3.75 − 49 =
- 4.80 − 65 =
- 5.66 − 51 =
- 6.83 − 13 =
- 7.54 − 19 =
- 8.99 − 41 =
- 9.57 − 28 =
- 10.77 − 51 =
- 11.60 − 37 =
- 12.99 − 21 =
- 13.61 − 48 =
- 14.62 − 33 =
- 15.56 − 14 =
- 16.74 − 62 =
- 17.57 − 45 =
- 18.52 − 14 =
- 19.56 − 36 =
- 20.53 − 41 =
- 21.65 − 33 =
- 22.79 − 44 =
- 23.54 − 27 =
- 24.94 − 29 =
- 25.76 − 32 =
- 26.61 − 51 =
- 27.58 − 45 =
- 28.67 − 37 =
- 29.69 − 14 =
- 30.99 − 14 =
- 31.75 − 51 =
- 32.83 − 56 =
- 33.54 − 39 =
- 34.87 − 15 =
- 35.88 − 71 =
- 36.57 − 44 =
- 37.82 − 34 =
- 38.94 − 34 =
- 39.65 − 51 =
- 40.58 − 37 =
Answer key
- 50
- 42
- 26
- 15
- 15
- 70
- 35
- 58
- 29
- 26
- 23
- 78
- 13
- 29
- 42
- 12
- 12
- 38
- 20
- 12
- 32
- 35
- 27
- 65
- 44
- 10
- 13
- 30
- 55
- 85
- 24
- 27
- 15
- 72
- 17
- 13
- 48
- 60
- 14
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths