Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

28th March 2013

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
27 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 5 units wide and contains 15 values. Work out the frequency density.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.1616... as a fraction in its simplest form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 5x - 8, work out y when x = -1.
5
Repeated Percentage Change3 marks
A town's population is 36500 and grows by 5% each year. Work out the population after 2 years, to the nearest whole number.

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