Daily Practice

Foundation

2nd August 1988

5 questions · 12 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 55 cm, rounded to the nearest whole number. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 7x + 10 when x = -2.
3
Best Buy Questions3 marks
A pack of 5 teabags costs £2.00. A pack of 15 costs £5.40. Which pack is better value?
4
Area and Circumference of Circles2 marks
A circle has a radius of 15 cm. Work out its circumference, leaving your answer in terms of pi.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 50 times. How many heads would you expect?

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