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
- 1.97 − 76 =
- 2.71 − 21 =
- 3.60 − 38 =
- 4.66 − 51 =
- 5.87 − 71 =
- 6.80 − 18 =
- 7.65 − 23 =
- 8.71 − 51 =
- 9.66 − 21 =
- 10.96 − 67 =
- 11.59 − 49 =
- 12.90 − 65 =
- 13.55 − 44 =
- 14.62 − 22 =
- 15.57 − 22 =
- 16.66 − 24 =
- 17.82 − 62 =
- 18.53 − 42 =
- 19.92 − 22 =
- 20.67 − 44 =
- 21.89 − 77 =
- 22.88 − 41 =
- 23.59 − 21 =
- 24.80 − 13 =
- 25.86 − 44 =
- 26.60 − 41 =
- 27.79 − 14 =
- 28.91 − 34 =
- 29.65 − 39 =
- 30.82 − 65 =
- 31.63 − 14 =
- 32.73 − 61 =
- 33.74 − 16 =
- 34.77 − 22 =
- 35.86 − 19 =
- 36.90 − 74 =
- 37.87 − 52 =
- 38.76 − 62 =
- 39.61 − 17 =
- 40.97 − 35 =
Answer key
- 21
- 50
- 22
- 15
- 16
- 62
- 42
- 20
- 45
- 29
- 10
- 25
- 11
- 40
- 35
- 42
- 20
- 11
- 70
- 23
- 12
- 47
- 38
- 67
- 42
- 19
- 65
- 57
- 26
- 17
- 49
- 12
- 58
- 55
- 67
- 16
- 35
- 14
- 44
- 62
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths