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
- 1.99 − 74 =
- 2.72 − 18 =
- 3.74 − 14 =
- 4.74 − 62 =
- 5.96 − 17 =
- 6.65 − 25 =
- 7.68 − 41 =
- 8.97 − 15 =
- 9.68 − 12 =
- 10.89 − 71 =
- 11.81 − 21 =
- 12.64 − 22 =
- 13.79 − 29 =
- 14.79 − 21 =
- 15.93 − 12 =
- 16.79 − 17 =
- 17.69 − 41 =
- 18.73 − 35 =
- 19.73 − 51 =
- 20.64 − 37 =
- 21.91 − 21 =
- 22.95 − 34 =
- 23.91 − 36 =
- 24.57 − 18 =
- 25.66 − 37 =
- 26.52 − 16 =
- 27.63 − 18 =
- 28.69 − 44 =
- 29.54 − 35 =
- 30.86 − 65 =
- 31.84 − 34 =
- 32.70 − 13 =
- 33.94 − 21 =
- 34.60 − 31 =
- 35.64 − 13 =
- 36.92 − 51 =
- 37.93 − 71 =
- 38.85 − 32 =
- 39.67 − 15 =
- 40.69 − 38 =
Answer key
- 25
- 54
- 60
- 12
- 79
- 40
- 27
- 82
- 56
- 18
- 60
- 42
- 50
- 58
- 81
- 62
- 28
- 38
- 22
- 27
- 70
- 61
- 55
- 39
- 29
- 36
- 45
- 25
- 19
- 21
- 50
- 57
- 73
- 29
- 51
- 41
- 22
- 53
- 52
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths