Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
26th March 2005
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out y when x = 7.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 20 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
9 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 15, lower quartile 25, median 28, upper quartile 33 and maximum 38. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.444... as a fraction in its simplest form.
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