Daily Practice · Higher

Daily Practice - Higher

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

22nd June 2002

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 324. Work out y when x = 7.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 7 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
9 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 11, lower quartile 13, median 15, upper quartile 24 and maximum 26. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £168 including VAT at 20%. Work out the amount before VAT.

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