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
- 1.64 − 34 =
- 2.84 − 62 =
- 3.89 − 78 =
- 4.55 − 23 =
- 5.88 − 14 =
- 6.88 − 16 =
- 7.93 − 37 =
- 8.60 − 22 =
- 9.55 − 38 =
- 10.82 − 16 =
- 11.67 − 55 =
- 12.92 − 78 =
- 13.55 − 37 =
- 14.65 − 34 =
- 15.59 − 29 =
- 16.52 − 37 =
- 17.54 − 27 =
- 18.90 − 66 =
- 19.91 − 77 =
- 20.68 − 48 =
- 21.58 − 19 =
- 22.61 − 51 =
- 23.89 − 64 =
- 24.74 − 18 =
- 25.97 − 87 =
- 26.79 − 24 =
- 27.87 − 17 =
- 28.61 − 25 =
- 29.70 − 34 =
- 30.60 − 35 =
- 31.52 − 41 =
- 32.89 − 33 =
- 33.71 − 46 =
- 34.75 − 41 =
- 35.68 − 21 =
- 36.65 − 16 =
- 37.65 − 47 =
- 38.59 − 47 =
- 39.74 − 43 =
- 40.65 − 24 =
Answer key
- 30
- 22
- 11
- 32
- 74
- 72
- 56
- 38
- 17
- 66
- 12
- 14
- 18
- 31
- 30
- 15
- 27
- 24
- 14
- 20
- 39
- 10
- 25
- 56
- 10
- 55
- 70
- 36
- 36
- 25
- 11
- 56
- 25
- 34
- 47
- 49
- 18
- 12
- 31
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths