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
- 1.54 − 18 =
- 2.63 − 48 =
- 3.54 − 15 =
- 4.92 − 27 =
- 5.53 − 17 =
- 6.53 − 21 =
- 7.86 − 26 =
- 8.66 − 13 =
- 9.71 − 21 =
- 10.55 − 18 =
- 11.93 − 21 =
- 12.87 − 23 =
- 13.52 − 23 =
- 14.65 − 45 =
- 15.86 − 48 =
- 16.85 − 63 =
- 17.64 − 26 =
- 18.94 − 29 =
- 19.53 − 43 =
- 20.86 − 44 =
- 21.91 − 16 =
- 22.96 − 51 =
- 23.94 − 65 =
- 24.66 − 51 =
- 25.72 − 59 =
- 26.75 − 52 =
- 27.82 − 19 =
- 28.76 − 23 =
- 29.59 − 14 =
- 30.81 − 17 =
- 31.53 − 35 =
- 32.53 − 23 =
- 33.86 − 13 =
- 34.96 − 35 =
- 35.57 − 41 =
- 36.78 − 59 =
- 37.91 − 45 =
- 38.79 − 37 =
- 39.86 − 19 =
- 40.94 − 33 =
Answer key
- 36
- 15
- 39
- 65
- 36
- 32
- 60
- 53
- 50
- 37
- 72
- 64
- 29
- 20
- 38
- 22
- 38
- 65
- 10
- 42
- 75
- 45
- 29
- 15
- 13
- 23
- 63
- 53
- 45
- 64
- 18
- 30
- 73
- 61
- 16
- 19
- 46
- 42
- 67
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths