Daily Practice

Foundation

5th May 1981

5 questions · 11 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 500 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 7x - 4 when x = 0.
3
Exchange Rates2 marks
£1 is worth 1.24 US dollars. Convert 275 US dollars into pounds. Give your answer to the nearest penny.
4
Area and Circumference of Circles2 marks
A circle has a diameter of 16 cm. Work out its area, to 1 decimal place.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 50 times. How many heads would you expect?

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