Daily Practice · Higher

Daily Practice - Higher

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

18th October 2003

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 16, median 21, upper quartile 24 and maximum 29. Work out the interquartile range.
2
Standard Form2 marks
Work out (4 x 10^4) x (9 x 10^3). Give your answer in standard form.
3
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -28/x, work out y when x = -4, and write down the equation of its vertical asymptote.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 128. Work out y when x = 2.
5
Similar Shapes (Area and Volume)3 marks
Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 432 cm^3. Work out the volume of the smaller.

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