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
- 1.72 − 18 =
- 2.68 − 47 =
- 3.78 − 13 =
- 4.79 − 21 =
- 5.88 − 18 =
- 6.91 − 56 =
- 7.56 − 31 =
- 8.65 − 36 =
- 9.69 − 52 =
- 10.66 − 21 =
- 11.68 − 21 =
- 12.64 − 23 =
- 13.79 − 38 =
- 14.80 − 57 =
- 15.67 − 42 =
- 16.96 − 64 =
- 17.80 − 46 =
- 18.84 − 44 =
- 19.79 − 41 =
- 20.64 − 27 =
- 21.77 − 24 =
- 22.57 − 23 =
- 23.88 − 71 =
- 24.76 − 58 =
- 25.85 − 28 =
- 26.77 − 18 =
- 27.60 − 34 =
- 28.58 − 28 =
- 29.74 − 57 =
- 30.62 − 27 =
- 31.65 − 41 =
- 32.87 − 53 =
- 33.68 − 49 =
- 34.70 − 58 =
- 35.87 − 45 =
- 36.95 − 43 =
- 37.70 − 18 =
- 38.58 − 36 =
- 39.59 − 16 =
- 40.92 − 71 =
Answer key
- 54
- 21
- 65
- 58
- 70
- 35
- 25
- 29
- 17
- 45
- 47
- 41
- 41
- 23
- 25
- 32
- 34
- 40
- 38
- 37
- 53
- 34
- 17
- 18
- 57
- 59
- 26
- 30
- 17
- 35
- 24
- 34
- 19
- 12
- 42
- 52
- 52
- 22
- 43
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths