Daily Practice · Higher

Daily Practice - Higher

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

30th June 2005

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

1
Repeated Percentage Change3 marks
A town's population is 20000 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 26 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
17 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Histograms2 marks
A histogram class is 20 units wide and contains 40 values. Work out the frequency density.
5
Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.

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