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
- 1.93 − 18 =
- 2.79 − 13 =
- 3.55 − 35 =
- 4.79 − 48 =
- 5.60 − 41 =
- 6.83 − 34 =
- 7.79 − 17 =
- 8.59 − 47 =
- 9.68 − 36 =
- 10.54 − 41 =
- 11.73 − 24 =
- 12.84 − 51 =
- 13.75 − 19 =
- 14.56 − 24 =
- 15.62 − 44 =
- 16.70 − 17 =
- 17.86 − 36 =
- 18.93 − 66 =
- 19.52 − 39 =
- 20.90 − 23 =
- 21.56 − 31 =
- 22.78 − 21 =
- 23.90 − 46 =
- 24.86 − 38 =
- 25.63 − 12 =
- 26.91 − 33 =
- 27.92 − 66 =
- 28.79 − 67 =
- 29.64 − 41 =
- 30.75 − 41 =
- 31.96 − 48 =
- 32.55 − 24 =
- 33.55 − 36 =
- 34.76 − 56 =
- 35.67 − 21 =
- 36.69 − 29 =
- 37.71 − 24 =
- 38.69 − 24 =
- 39.76 − 66 =
- 40.91 − 31 =
Answer key
- 75
- 66
- 20
- 31
- 19
- 49
- 62
- 12
- 32
- 13
- 49
- 33
- 56
- 32
- 18
- 53
- 50
- 27
- 13
- 67
- 25
- 57
- 44
- 48
- 51
- 58
- 26
- 12
- 23
- 34
- 48
- 31
- 19
- 20
- 46
- 40
- 47
- 45
- 10
- 60
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths