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
- 1.83 − 64 =
- 2.83 − 17 =
- 3.54 − 21 =
- 4.75 − 14 =
- 5.78 − 21 =
- 6.86 − 27 =
- 7.59 − 15 =
- 8.61 − 34 =
- 9.64 − 49 =
- 10.91 − 12 =
- 11.62 − 17 =
- 12.98 − 22 =
- 13.54 − 24 =
- 14.69 − 29 =
- 15.75 − 61 =
- 16.66 − 13 =
- 17.54 − 22 =
- 18.56 − 41 =
- 19.58 − 29 =
- 20.86 − 33 =
- 21.65 − 49 =
- 22.95 − 51 =
- 23.98 − 25 =
- 24.57 − 24 =
- 25.86 − 14 =
- 26.66 − 21 =
- 27.61 − 28 =
- 28.66 − 41 =
- 29.62 − 23 =
- 30.93 − 74 =
- 31.72 − 36 =
- 32.66 − 28 =
- 33.73 − 36 =
- 34.65 − 13 =
- 35.64 − 21 =
- 36.68 − 51 =
- 37.55 − 37 =
- 38.61 − 51 =
- 39.55 − 15 =
- 40.53 − 42 =
Answer key
- 19
- 66
- 33
- 61
- 57
- 59
- 44
- 27
- 15
- 79
- 45
- 76
- 30
- 40
- 14
- 53
- 32
- 15
- 29
- 53
- 16
- 44
- 73
- 33
- 72
- 45
- 33
- 25
- 39
- 19
- 36
- 38
- 37
- 52
- 43
- 17
- 18
- 10
- 40
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths