Daily Practice · Higher

Daily Practice - Higher

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

17th October 1998

5 questions · 13 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 = 9.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 12 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
15 students study Spanish and 6 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 5, lower quartile 14, median 21, upper quartile 24 and maximum 27. Work out the interquartile range.
5
Bounds2 marks
A mass is 4.9 kg, correct to 1 decimal place. Write down the upper bound.

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