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
- 1.65 − 35 =
- 2.61 − 28 =
- 3.59 − 15 =
- 4.52 − 18 =
- 5.96 − 51 =
- 6.76 − 61 =
- 7.75 − 47 =
- 8.96 − 36 =
- 9.68 − 21 =
- 10.54 − 19 =
- 11.78 − 21 =
- 12.74 − 54 =
- 13.55 − 27 =
- 14.64 − 31 =
- 15.88 − 19 =
- 16.87 − 12 =
- 17.72 − 53 =
- 18.97 − 31 =
- 19.58 − 36 =
- 20.64 − 21 =
- 21.59 − 24 =
- 22.89 − 44 =
- 23.71 − 54 =
- 24.93 − 64 =
- 25.54 − 41 =
- 26.60 − 27 =
- 27.74 − 23 =
- 28.82 − 59 =
- 29.65 − 51 =
- 30.57 − 35 =
- 31.83 − 42 =
- 32.97 − 27 =
- 33.58 − 38 =
- 34.85 − 21 =
- 35.98 − 45 =
- 36.57 − 13 =
- 37.58 − 18 =
- 38.85 − 75 =
- 39.63 − 39 =
- 40.74 − 25 =
Answer key
- 30
- 33
- 44
- 34
- 45
- 15
- 28
- 60
- 47
- 35
- 57
- 20
- 28
- 33
- 69
- 75
- 19
- 66
- 22
- 43
- 35
- 45
- 17
- 29
- 13
- 33
- 51
- 23
- 14
- 22
- 41
- 70
- 20
- 64
- 53
- 44
- 40
- 10
- 24
- 49
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths