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
- 1.55 − 18 =
- 2.65 − 47 =
- 3.72 − 45 =
- 4.85 − 72 =
- 5.60 − 16 =
- 6.87 − 69 =
- 7.55 − 31 =
- 8.72 − 15 =
- 9.65 − 55 =
- 10.92 − 73 =
- 11.56 − 14 =
- 12.70 − 14 =
- 13.90 − 66 =
- 14.63 − 42 =
- 15.56 − 44 =
- 16.65 − 44 =
- 17.63 − 45 =
- 18.68 − 21 =
- 19.77 − 21 =
- 20.67 − 22 =
- 21.56 − 17 =
- 22.95 − 53 =
- 23.72 − 49 =
- 24.91 − 22 =
- 25.60 − 37 =
- 26.53 − 12 =
- 27.75 − 15 =
- 28.63 − 22 =
- 29.96 − 54 =
- 30.74 − 42 =
- 31.97 − 31 =
- 32.84 − 18 =
- 33.53 − 24 =
- 34.53 − 25 =
- 35.96 − 69 =
- 36.54 − 27 =
- 37.87 − 21 =
- 38.72 − 25 =
- 39.64 − 41 =
- 40.99 − 86 =
Answer key
- 37
- 18
- 27
- 13
- 44
- 18
- 24
- 57
- 10
- 19
- 42
- 56
- 24
- 21
- 12
- 21
- 18
- 47
- 56
- 45
- 39
- 42
- 23
- 69
- 23
- 41
- 60
- 41
- 42
- 32
- 66
- 66
- 29
- 28
- 27
- 27
- 66
- 47
- 23
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths