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
- 1.70 − 24 =
- 2.60 − 35 =
- 3.63 − 23 =
- 4.60 − 15 =
- 5.53 − 36 =
- 6.52 − 25 =
- 7.54 − 27 =
- 8.52 − 12 =
- 9.52 − 35 =
- 10.84 − 34 =
- 11.89 − 48 =
- 12.72 − 27 =
- 13.56 − 21 =
- 14.72 − 28 =
- 15.52 − 31 =
- 16.87 − 56 =
- 17.71 − 43 =
- 18.78 − 43 =
- 19.71 − 41 =
- 20.96 − 78 =
- 21.79 − 33 =
- 22.86 − 25 =
- 23.56 − 44 =
- 24.76 − 12 =
- 25.72 − 48 =
- 26.64 − 53 =
- 27.70 − 52 =
- 28.99 − 75 =
- 29.62 − 23 =
- 30.53 − 32 =
- 31.67 − 19 =
- 32.72 − 41 =
- 33.78 − 36 =
- 34.99 − 64 =
- 35.59 − 12 =
- 36.60 − 34 =
- 37.56 − 36 =
- 38.96 − 23 =
- 39.86 − 65 =
- 40.87 − 68 =
Answer key
- 46
- 25
- 40
- 45
- 17
- 27
- 27
- 40
- 17
- 50
- 41
- 45
- 35
- 44
- 21
- 31
- 28
- 35
- 30
- 18
- 46
- 61
- 12
- 64
- 24
- 11
- 18
- 24
- 39
- 21
- 48
- 31
- 42
- 35
- 47
- 26
- 20
- 73
- 21
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths