Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
1st March 2019
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 48. Work out y when x = 13.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 15 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
15 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
- 5Fractional and Negative Indices3 marks
Work out 27^(2/3).
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