Daily Practice

Foundation

30th December 1980

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

1
Error Intervals2 marks
A length x is 18.3 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 8x + 11 when x = 6.
3
Conversions and Units2 marks
Convert 20 m^2 into cm^2.
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 250 times. How many heads would you expect?

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