Daily Practice · Higher

Daily Practice - Higher

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

13th March 2012

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 30 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
28 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture3 marks
25 beetles are marked and released. Later 27 are caught, of which 3 are marked. Estimate the population.
5
Standard Form2 marks
Work out (9 x 10^6) x (9 x 10^-3). Give your answer in standard form.

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