Daily Practice · Higher

Daily Practice - Higher

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

15th November 2011

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 10 cm and one shorter side of 8 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 6 in B only, 7 in both and 9 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
10 newts are marked and released. Later 99 are caught, of which 9 are marked. Estimate the population.
4
Standard Form3 marks
Work out (36 x 10^12) / (4 x 10^5). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 4)(x + 2)(x - 2).

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