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
- 1.67 − 24 =
- 2.55 − 34 =
- 3.75 − 24 =
- 4.89 − 22 =
- 5.54 − 42 =
- 6.56 − 29 =
- 7.97 − 21 =
- 8.86 − 33 =
- 9.67 − 17 =
- 10.99 − 28 =
- 11.55 − 18 =
- 12.62 − 41 =
- 13.62 − 47 =
- 14.85 − 58 =
- 15.64 − 37 =
- 16.93 − 81 =
- 17.74 − 45 =
- 18.63 − 51 =
- 19.88 − 48 =
- 20.66 − 41 =
- 21.63 − 13 =
- 22.54 − 19 =
- 23.80 − 56 =
- 24.96 − 37 =
- 25.79 − 54 =
- 26.56 − 41 =
- 27.80 − 14 =
- 28.73 − 51 =
- 29.55 − 17 =
- 30.85 − 41 =
- 31.68 − 21 =
- 32.62 − 35 =
- 33.53 − 19 =
- 34.63 − 23 =
- 35.77 − 67 =
- 36.89 − 17 =
- 37.84 − 39 =
- 38.52 − 37 =
- 39.93 − 77 =
- 40.55 − 16 =
Answer key
- 43
- 21
- 51
- 67
- 12
- 27
- 76
- 53
- 50
- 71
- 37
- 21
- 15
- 27
- 27
- 12
- 29
- 12
- 40
- 25
- 50
- 35
- 24
- 59
- 25
- 15
- 66
- 22
- 38
- 44
- 47
- 27
- 34
- 40
- 10
- 72
- 45
- 15
- 16
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths