Daily Practice

Foundation

25th January 1983

5 questions · 10 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 290 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 3x + 7 when x = 3.
3
Exchange Rates2 marks
£1 is worth 1.24 US dollars. Convert 350 US dollars into pounds. Give your answer to the nearest penny.
4
Angles1 mark
Two angles sit next to each other on a straight line. One of them is 158°. Work out the other.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 500 times. How many heads would you expect?

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