Daily Practice · Higher

Daily Practice - Higher

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

14th December 2007

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
2
Standard Form2 marks
Work out (6 x 10^6) x (9 x 10^-4). Give your answer in standard form.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 3x - 40.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 12.
5
The Sine Rule3 marks
In triangle ABC, angle A is 31°, angle B is 61° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.

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