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
- 1.74 − 19 =
- 2.95 − 27 =
- 3.95 − 57 =
- 4.63 − 23 =
- 5.91 − 69 =
- 6.80 − 38 =
- 7.84 − 35 =
- 8.87 − 18 =
- 9.71 − 33 =
- 10.57 − 27 =
- 11.52 − 18 =
- 12.82 − 23 =
- 13.64 − 14 =
- 14.66 − 27 =
- 15.66 − 39 =
- 16.91 − 15 =
- 17.58 − 46 =
- 18.67 − 49 =
- 19.89 − 69 =
- 20.91 − 41 =
- 21.56 − 32 =
- 22.87 − 63 =
- 23.63 − 13 =
- 24.89 − 13 =
- 25.93 − 64 =
- 26.95 − 33 =
- 27.55 − 44 =
- 28.56 − 22 =
- 29.55 − 14 =
- 30.53 − 28 =
- 31.64 − 38 =
- 32.63 − 16 =
- 33.72 − 41 =
- 34.90 − 23 =
- 35.92 − 61 =
- 36.75 − 57 =
- 37.67 − 26 =
- 38.96 − 15 =
- 39.66 − 15 =
- 40.83 − 62 =
Answer key
- 55
- 68
- 38
- 40
- 22
- 42
- 49
- 69
- 38
- 30
- 34
- 59
- 50
- 39
- 27
- 76
- 12
- 18
- 20
- 50
- 24
- 24
- 50
- 76
- 29
- 62
- 11
- 34
- 41
- 25
- 26
- 47
- 31
- 67
- 31
- 18
- 41
- 81
- 51
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths