Daily Practice · Higher

Daily Practice - Higher

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

5th June 2010

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 20 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 7 in B only, 7 in both and 7 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 5, lower quartile 8, median 12, upper quartile 18 and maximum 20. Work out the interquartile range.
4
Standard Form3 marks
Work out (4 x 10^8) / (2 x 10^2). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 5)(x - 5)(x - 1).

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