Daily Practice
Foundation
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5th October 1988
- 1Probability (Foundation)2 marks
A bag holds 2 red, 3 blue and 8 green counters. One is taken at random. Work out the probability it is red.
- 2Averages from Frequency Tables3 marks
In a survey 7 households own 1 car, 9 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 3Error Intervals2 marks
A number y is 39 when truncated to the nearest whole number. Write down the error interval for y.
- 4Simplifying Algebra2 marks
Simplify (3x^4)(2x).
- 5Writing and Simplifying Ratio1 mark
Write the ratio 15 : 35 in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1988, including the monthly compilation PDF.