Daily Practice · Higher

Daily Practice - Higher

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

13th July 2010

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

1
Capture Recapture3 marks
15 beetles are marked and released. Later 32 are caught, of which 8 are marked. Estimate the population.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 6.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 50°. Work out angle ADC.

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