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
- 1.78 − 21 =
- 2.63 − 33 =
- 3.98 − 36 =
- 4.65 − 16 =
- 5.89 − 14 =
- 6.78 − 46 =
- 7.97 − 21 =
- 8.56 − 44 =
- 9.67 − 25 =
- 10.76 − 44 =
- 11.55 − 14 =
- 12.78 − 61 =
- 13.54 − 25 =
- 14.57 − 17 =
- 15.83 − 36 =
- 16.63 − 21 =
- 17.88 − 45 =
- 18.65 − 21 =
- 19.62 − 45 =
- 20.90 − 74 =
- 21.73 − 54 =
- 22.63 − 38 =
- 23.56 − 29 =
- 24.55 − 23 =
- 25.64 − 17 =
- 26.79 − 14 =
- 27.67 − 44 =
- 28.95 − 22 =
- 29.59 − 21 =
- 30.52 − 41 =
- 31.95 − 63 =
- 32.94 − 71 =
- 33.57 − 22 =
- 34.90 − 57 =
- 35.99 − 55 =
- 36.73 − 19 =
- 37.63 − 52 =
- 38.58 − 19 =
- 39.80 − 31 =
- 40.89 − 62 =
Answer key
- 57
- 30
- 62
- 49
- 75
- 32
- 76
- 12
- 42
- 32
- 41
- 17
- 29
- 40
- 47
- 42
- 43
- 44
- 17
- 16
- 19
- 25
- 27
- 32
- 47
- 65
- 23
- 73
- 38
- 11
- 32
- 23
- 35
- 33
- 44
- 54
- 11
- 39
- 49
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths