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
- 1.52 − 21 =
- 2.58 − 31 =
- 3.54 − 31 =
- 4.59 − 32 =
- 5.76 − 57 =
- 6.83 − 37 =
- 7.70 − 22 =
- 8.86 − 42 =
- 9.58 − 44 =
- 10.99 − 33 =
- 11.54 − 19 =
- 12.83 − 21 =
- 13.68 − 42 =
- 14.63 − 24 =
- 15.62 − 31 =
- 16.54 − 15 =
- 17.96 − 17 =
- 18.78 − 48 =
- 19.67 − 35 =
- 20.60 − 49 =
- 21.95 − 51 =
- 22.73 − 49 =
- 23.74 − 22 =
- 24.85 − 26 =
- 25.92 − 54 =
- 26.54 − 26 =
- 27.92 − 21 =
- 28.71 − 22 =
- 29.52 − 37 =
- 30.99 − 61 =
- 31.94 − 23 =
- 32.58 − 28 =
- 33.60 − 31 =
- 34.56 − 38 =
- 35.98 − 51 =
- 36.76 − 31 =
- 37.55 − 17 =
- 38.56 − 15 =
- 39.85 − 75 =
- 40.90 − 81 =
Answer key
- 31
- 27
- 23
- 27
- 19
- 46
- 48
- 44
- 14
- 66
- 35
- 62
- 26
- 39
- 31
- 39
- 79
- 30
- 32
- 11
- 44
- 24
- 52
- 59
- 38
- 28
- 71
- 49
- 15
- 38
- 71
- 30
- 29
- 18
- 47
- 45
- 38
- 41
- 10
- 9
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths