Daily Practice · Higher

Daily Practice - Higher

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

4th September 2012

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

1
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 60°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 9 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
45 beetles are marked and released. Later 15 are caught, of which 5 are marked. Estimate the population.
4
Bounds2 marks
A mass is 15.8 kg, correct to 1 decimal place. Write down the lower bound.
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 5x^2 - 12.

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