Daily Practice · Higher

Daily Practice - Higher

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

14th March 2002

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
12 students study Spanish and 8 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 4 units wide and contains 10 values. Work out the frequency density.
3
Standard Form2 marks
Work out (2 x 10^5) x (3 x 10^4). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 8x + 12, work out y when x = 5.
5
Repeated Percentage Change3 marks
A town's population is 29500 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.

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