Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 2.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 28 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
27 students study Spanish and 8 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 1, lower quartile 3, median 9, upper quartile 15 and maximum 19. Work out the interquartile range.
- 5Standard Form3 marks
Work out (27 x 10^9) / (9 x 10^4). Give your answer in standard form.
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