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
- 1.66 − 12 =
- 2.70 − 31 =
- 3.92 − 69 =
- 4.91 − 58 =
- 5.80 − 47 =
- 6.75 − 56 =
- 7.67 − 13 =
- 8.74 − 51 =
- 9.65 − 27 =
- 10.57 − 35 =
- 11.68 − 29 =
- 12.57 − 31 =
- 13.91 − 59 =
- 14.68 − 36 =
- 15.66 − 44 =
- 16.79 − 62 =
- 17.70 − 29 =
- 18.98 − 61 =
- 19.91 − 36 =
- 20.92 − 52 =
- 21.82 − 47 =
- 22.99 − 71 =
- 23.93 − 46 =
- 24.80 − 44 =
- 25.78 − 17 =
- 26.87 − 29 =
- 27.78 − 41 =
- 28.68 − 54 =
- 29.66 − 35 =
- 30.95 − 18 =
- 31.83 − 44 =
- 32.81 − 34 =
- 33.92 − 28 =
- 34.92 − 18 =
- 35.52 − 27 =
- 36.86 − 28 =
- 37.75 − 41 =
- 38.98 − 71 =
- 39.95 − 75 =
- 40.77 − 51 =
Answer key
- 54
- 39
- 23
- 33
- 33
- 19
- 54
- 23
- 38
- 22
- 39
- 26
- 32
- 32
- 22
- 17
- 41
- 37
- 55
- 40
- 35
- 28
- 47
- 36
- 61
- 58
- 37
- 14
- 31
- 77
- 39
- 47
- 64
- 74
- 25
- 58
- 34
- 27
- 20
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths