Daily Practice · Higher

Daily Practice - Higher

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

29th April 2014

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

1
Capture Recapture3 marks
40 newts are marked and released. Later 108 are caught, of which 9 are marked. Estimate the population.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Expanding Triple Brackets3 marks
Expand and simplify (x + 2)(x + 2)(x - 3).
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 16 cm. Work out the other shorter side.

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