Daily Practice
Foundation
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1st August 1978
- 1Error Intervals2 marks
A length x is 40 cm, rounded to the nearest whole number. Write down the error interval for x.
- 2Substitution2 marks
Work out the value of 9x + 1 when x = 4.
- 3Ratio2 marks
Priya and Anika share £208 in the ratio 5 : 8. How much does Priya get?
- 4Angles in Polygons2 marks
Work out the sum of the interior angles of a 12-sided polygon.
- 5Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 200 times. How many heads would you expect?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1978, including the monthly compilation PDF.