Daily Practice
Foundation
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19th November 1957
- 1Error Intervals2 marks
A length x is 260 cm, rounded to the nearest 10. Write down the error interval for x.
- 2Substitution2 marks
Work out the value of 2x + 5 when x = -3.
- 3Ratio2 marks
Rohan and Mia share £42 in the ratio 2 : 5. How much does Rohan get?
- 4Angles2 marks
An isosceles triangle has an apex angle of 102°. Work out one of the two equal base angles.
- 5Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 250 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 November 1957, including the monthly compilation PDF.