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
- 1.89 − 73 =
- 2.61 − 13 =
- 3.99 − 21 =
- 4.71 − 51 =
- 5.87 − 75 =
- 6.95 − 64 =
- 7.57 − 27 =
- 8.55 − 41 =
- 9.65 − 37 =
- 10.92 − 37 =
- 11.94 − 73 =
- 12.90 − 32 =
- 13.78 − 13 =
- 14.55 − 32 =
- 15.81 − 39 =
- 16.66 − 45 =
- 17.92 − 41 =
- 18.95 − 28 =
- 19.74 − 37 =
- 20.86 − 68 =
- 21.91 − 66 =
- 22.83 − 14 =
- 23.69 − 57 =
- 24.93 − 33 =
- 25.76 − 39 =
- 26.71 − 22 =
- 27.71 − 18 =
- 28.93 − 24 =
- 29.71 − 32 =
- 30.59 − 19 =
- 31.97 − 53 =
- 32.93 − 35 =
- 33.81 − 18 =
- 34.98 − 21 =
- 35.52 − 27 =
- 36.69 − 37 =
- 37.56 − 18 =
- 38.66 − 53 =
- 39.60 − 23 =
- 40.68 − 41 =
Answer key
- 16
- 48
- 78
- 20
- 12
- 31
- 30
- 14
- 28
- 55
- 21
- 58
- 65
- 23
- 42
- 21
- 51
- 67
- 37
- 18
- 25
- 69
- 12
- 60
- 37
- 49
- 53
- 69
- 39
- 40
- 44
- 58
- 63
- 77
- 25
- 32
- 38
- 13
- 37
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths