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
- 1.80 − 49 =
- 2.60 − 21 =
- 3.74 − 56 =
- 4.74 − 53 =
- 5.72 − 21 =
- 6.82 − 42 =
- 7.56 − 34 =
- 8.58 − 31 =
- 9.89 − 55 =
- 10.57 − 33 =
- 11.66 − 15 =
- 12.66 − 39 =
- 13.55 − 19 =
- 14.58 − 44 =
- 15.52 − 29 =
- 16.72 − 23 =
- 17.80 − 13 =
- 18.64 − 15 =
- 19.78 − 28 =
- 20.86 − 52 =
- 21.54 − 17 =
- 22.65 − 53 =
- 23.87 − 25 =
- 24.74 − 38 =
- 25.80 − 42 =
- 26.69 − 14 =
- 27.75 − 51 =
- 28.53 − 28 =
- 29.74 − 31 =
- 30.89 − 78 =
- 31.55 − 17 =
- 32.67 − 56 =
- 33.71 − 14 =
- 34.99 − 69 =
- 35.73 − 27 =
- 36.53 − 29 =
- 37.97 − 26 =
- 38.56 − 36 =
- 39.84 − 19 =
- 40.93 − 35 =
Answer key
- 31
- 39
- 18
- 21
- 51
- 40
- 22
- 27
- 34
- 24
- 51
- 27
- 36
- 14
- 23
- 49
- 67
- 49
- 50
- 34
- 37
- 12
- 62
- 36
- 38
- 55
- 24
- 25
- 43
- 11
- 38
- 11
- 57
- 30
- 46
- 24
- 71
- 20
- 65
- 58
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths