Daily Practice · Higher

Daily Practice - Higher

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

14th November 2008

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
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8282... as a fraction in its simplest form.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 9x + 20.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 108. Work out y when x = 2.
5
The Sine Rule3 marks
In triangle ABC, angle A is 65°, angle B is 44° and side a is 16 cm. Use the sine rule to work out side b, to 1 decimal place.

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