Daily Practice

Foundation Plus

4th February 1991

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 250 times. How many heads would you expect?
2
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 9x + 22. Use it to estimate y when x = 9.
3
Standard Form2 marks
Write 0.0000487 in standard form.
4
Expanding and Factorising2 marks
Expand and simplify 6(3x - 12).
5
Repeated Percentage Change3 marks
A town's population is 24500 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.

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