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 − 18 =
- 2.83 − 68 =
- 3.71 − 33 =
- 4.60 − 35 =
- 5.56 − 22 =
- 6.79 − 44 =
- 7.95 − 16 =
- 8.61 − 21 =
- 9.75 − 38 =
- 10.63 − 21 =
- 11.64 − 27 =
- 12.58 − 27 =
- 13.74 − 16 =
- 14.74 − 39 =
- 15.63 − 45 =
- 16.79 − 13 =
- 17.80 − 67 =
- 18.87 − 51 =
- 19.68 − 22 =
- 20.85 − 23 =
- 21.54 − 15 =
- 22.83 − 47 =
- 23.64 − 16 =
- 24.75 − 48 =
- 25.62 − 35 =
- 26.71 − 49 =
- 27.93 − 17 =
- 28.74 − 18 =
- 29.52 − 15 =
- 30.52 − 29 =
- 31.58 − 44 =
- 32.85 − 26 =
- 33.79 − 37 =
- 34.99 − 46 =
- 35.70 − 22 =
- 36.95 − 47 =
- 37.83 − 65 =
- 38.65 − 21 =
- 39.74 − 64 =
- 40.58 − 23 =
Answer key
- 48
- 15
- 38
- 25
- 34
- 35
- 79
- 40
- 37
- 42
- 37
- 31
- 58
- 35
- 18
- 66
- 13
- 36
- 46
- 62
- 39
- 36
- 48
- 27
- 27
- 22
- 76
- 56
- 37
- 23
- 14
- 59
- 42
- 53
- 48
- 48
- 18
- 44
- 10
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths