Daily Practice

Foundation Plus

3rd September 1985

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 0.4. 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 = 2x + 20. Use it to estimate y when x = 8.
3
Standard Form2 marks
Write 0.00000389 in standard form.
4
Expanding and Factorising2 marks
Expand and simplify 8(8x - 2).
5
Compound Interest and Depreciation3 marks
£3400 is invested at 4% compound interest per year. Work out the value after 2 years, to the nearest penny.

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