Daily Practice · Higher

Daily Practice - Higher

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

16th October 2009

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
2
Reverse Percentages3 marks
A bill is £840 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 7x + 6.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 72. Work out y when x = 5.
5
The Sine Rule3 marks
In triangle ABC, angle A is 36°, angle B is 71° and side a is 6 cm. Use the sine rule to work out side b, to 1 decimal place.

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