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
- 1.61 − 21 =
- 2.90 − 52 =
- 3.55 − 18 =
- 4.56 − 41 =
- 5.93 − 15 =
- 6.59 − 26 =
- 7.85 − 12 =
- 8.84 − 52 =
- 9.58 − 37 =
- 10.83 − 35 =
- 11.91 − 35 =
- 12.82 − 48 =
- 13.99 − 43 =
- 14.55 − 17 =
- 15.63 − 13 =
- 16.94 − 71 =
- 17.56 − 29 =
- 18.60 − 47 =
- 19.56 − 35 =
- 20.74 − 62 =
- 21.67 − 39 =
- 22.91 − 44 =
- 23.58 − 25 =
- 24.59 − 27 =
- 25.60 − 21 =
- 26.99 − 41 =
- 27.91 − 66 =
- 28.89 − 22 =
- 29.79 − 14 =
- 30.87 − 35 =
- 31.82 − 27 =
- 32.79 − 51 =
- 33.60 − 23 =
- 34.72 − 25 =
- 35.81 − 58 =
- 36.54 − 13 =
- 37.96 − 51 =
- 38.60 − 26 =
- 39.92 − 47 =
- 40.56 − 38 =
Answer key
- 40
- 38
- 37
- 15
- 78
- 33
- 73
- 32
- 21
- 48
- 56
- 34
- 56
- 38
- 50
- 23
- 27
- 13
- 21
- 12
- 28
- 47
- 33
- 32
- 39
- 58
- 25
- 67
- 65
- 52
- 55
- 28
- 37
- 47
- 23
- 41
- 45
- 34
- 45
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths