Daily Practice
Foundation
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21st February 1981
- 1Averages from Frequency Tables3 marks
In a survey 7 households own 1 car, 3 own 2 cars and 5 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 2Using a Calculator2 marks
Work out sqrt(9^2 + 15^2), giving your answer to 2 decimal places.
- 3Simplifying Algebra2 marks
Simplify 9a + 7b + 5a - 7b.
- 4Best Buy Questions2 marks
A 700 g bag of rice costs £8.05. Work out the cost per 100 g.
- 5Angles2 marks
Two of the angles in a triangle are 87° and 47°. Work out the third angle.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1981, including the monthly compilation PDF.