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
- 1.85 − 29 =
- 2.60 − 31 =
- 3.85 − 18 =
- 4.68 − 46 =
- 5.80 − 59 =
- 6.55 − 45 =
- 7.54 − 44 =
- 8.53 − 31 =
- 9.91 − 33 =
- 10.90 − 16 =
- 11.62 − 48 =
- 12.87 − 29 =
- 13.90 − 79 =
- 14.90 − 25 =
- 15.62 − 23 =
- 16.85 − 35 =
- 17.56 − 31 =
- 18.80 − 25 =
- 19.78 − 61 =
- 20.66 − 45 =
- 21.56 − 17 =
- 22.74 − 33 =
- 23.80 − 26 =
- 24.52 − 24 =
- 25.73 − 19 =
- 26.81 − 31 =
- 27.61 − 23 =
- 28.92 − 48 =
- 29.88 − 59 =
- 30.52 − 17 =
- 31.55 − 23 =
- 32.53 − 37 =
- 33.88 − 38 =
- 34.77 − 54 =
- 35.58 − 36 =
- 36.68 − 18 =
- 37.97 − 35 =
- 38.62 − 42 =
- 39.52 − 31 =
- 40.67 − 35 =
Answer key
- 56
- 29
- 67
- 22
- 21
- 10
- 10
- 22
- 58
- 74
- 14
- 58
- 11
- 65
- 39
- 50
- 25
- 55
- 17
- 21
- 39
- 41
- 54
- 28
- 54
- 50
- 38
- 44
- 29
- 35
- 32
- 16
- 50
- 23
- 22
- 50
- 62
- 20
- 21
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths