Daily Practice · Higher

Daily Practice - Higher

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

29th September 2015

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

1
Changing the Subject of a Formula3 marks
Make x the subject of y = 3x^2 - 2.
2
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.
3
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 72°. Work out angle ADC.
4
Probability Trees3 marks
A bag holds 3 red and 8 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Capture Recapture3 marks
25 voles are marked and released. Later 28 are caught, of which 4 are marked. Estimate the population.

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