Daily Practice · Higher

Daily Practice - Higher

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

18th March 2014

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
40 beetles are marked and released. Later 60 are caught, of which 5 are marked. Estimate the population.
2
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 3x^2 - 3.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 69°. Work out angle ADC.

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