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
- 1.79 − 58 =
- 2.65 − 15 =
- 3.56 − 19 =
- 4.77 − 61 =
- 5.66 − 16 =
- 6.59 − 35 =
- 7.85 − 38 =
- 8.66 − 31 =
- 9.64 − 47 =
- 10.89 − 39 =
- 11.99 − 73 =
- 12.87 − 26 =
- 13.74 − 23 =
- 14.72 − 37 =
- 15.83 − 29 =
- 16.89 − 69 =
- 17.65 − 28 =
- 18.98 − 17 =
- 19.79 − 21 =
- 20.70 − 32 =
- 21.93 − 64 =
- 22.94 − 32 =
- 23.93 − 35 =
- 24.96 − 49 =
- 25.62 − 28 =
- 26.76 − 21 =
- 27.53 − 22 =
- 28.87 − 35 =
- 29.67 − 19 =
- 30.52 − 13 =
- 31.58 − 32 =
- 32.95 − 19 =
- 33.78 − 12 =
- 34.53 − 16 =
- 35.96 − 64 =
- 36.87 − 41 =
- 37.99 − 82 =
- 38.92 − 78 =
- 39.76 − 14 =
- 40.94 − 71 =
Answer key
- 21
- 50
- 37
- 16
- 50
- 24
- 47
- 35
- 17
- 50
- 26
- 61
- 51
- 35
- 54
- 20
- 37
- 81
- 58
- 38
- 29
- 62
- 58
- 47
- 34
- 55
- 31
- 52
- 48
- 39
- 26
- 76
- 66
- 37
- 32
- 46
- 17
- 14
- 62
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths