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
- 1.75 − 54 =
- 2.91 − 79 =
- 3.99 − 17 =
- 4.95 − 16 =
- 5.61 − 36 =
- 6.74 − 43 =
- 7.68 − 34 =
- 8.54 − 17 =
- 9.52 − 32 =
- 10.95 − 12 =
- 11.71 − 44 =
- 12.84 − 25 =
- 13.55 − 31 =
- 14.83 − 23 =
- 15.85 − 23 =
- 16.92 − 56 =
- 17.80 − 68 =
- 18.77 − 62 =
- 19.92 − 33 =
- 20.89 − 72 =
- 21.88 − 27 =
- 22.63 − 37 =
- 23.91 − 68 =
- 24.80 − 16 =
- 25.76 − 22 =
- 26.93 − 59 =
- 27.95 − 49 =
- 28.66 − 13 =
- 29.78 − 31 =
- 30.89 − 21 =
- 31.96 − 38 =
- 32.85 − 64 =
- 33.93 − 68 =
- 34.92 − 73 =
- 35.62 − 44 =
- 36.83 − 65 =
- 37.72 − 12 =
- 38.92 − 61 =
- 39.88 − 77 =
- 40.94 − 61 =
Answer key
- 21
- 12
- 82
- 79
- 25
- 31
- 34
- 37
- 20
- 83
- 27
- 59
- 24
- 60
- 62
- 36
- 12
- 15
- 59
- 17
- 61
- 26
- 23
- 64
- 54
- 34
- 46
- 53
- 47
- 68
- 58
- 21
- 25
- 19
- 18
- 18
- 60
- 31
- 11
- 33
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths