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
- 1.56 − 44 =
- 2.53 − 21 =
- 3.60 − 21 =
- 4.90 − 41 =
- 5.58 − 25 =
- 6.75 − 51 =
- 7.67 − 14 =
- 8.56 − 31 =
- 9.61 − 19 =
- 10.91 − 21 =
- 11.65 − 35 =
- 12.59 − 47 =
- 13.61 − 32 =
- 14.80 − 54 =
- 15.62 − 35 =
- 16.59 − 27 =
- 17.70 − 31 =
- 18.67 − 27 =
- 19.93 − 64 =
- 20.54 − 12 =
- 21.99 − 16 =
- 22.82 − 61 =
- 23.60 − 38 =
- 24.78 − 43 =
- 25.64 − 31 =
- 26.58 − 37 =
- 27.64 − 52 =
- 28.84 − 28 =
- 29.64 − 38 =
- 30.72 − 59 =
- 31.98 − 56 =
- 32.70 − 27 =
- 33.90 − 31 =
- 34.70 − 58 =
- 35.53 − 26 =
- 36.90 − 47 =
- 37.60 − 28 =
- 38.77 − 43 =
- 39.54 − 15 =
- 40.92 − 18 =
Answer key
- 12
- 32
- 39
- 49
- 33
- 24
- 53
- 25
- 42
- 70
- 30
- 12
- 29
- 26
- 27
- 32
- 39
- 40
- 29
- 42
- 83
- 21
- 22
- 35
- 33
- 21
- 12
- 56
- 26
- 13
- 42
- 43
- 59
- 12
- 27
- 43
- 32
- 34
- 39
- 74
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths