Daily Practice
Foundation
← All tiers
11th November 1986
- 1Error Intervals2 marks
A length x is 720 cm, rounded to the nearest 10. Write down the error interval for x.
- 2Substitution2 marks
Work out the value of 7x - 2 when x = -6.
- 3Best Buy Questions3 marks
A pack of 9 teabags costs £3.60. A pack of 18 costs £6.12. Which pack is better value?
- 4Angles1 mark
Two angles sit next to each other on a straight line. One of them is 114°. Work out the other.
- 5Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. 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 1986, including the monthly compilation PDF.