Daily Practice · Higher

Daily Practice - Higher

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

27th January 1998

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 3 in B only, 6 in both and 10 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
25 beetles are marked and released. Later 81 are caught, of which 9 are marked. Estimate the population.
4
Standard Form2 marks
Work out (9 x 10^7) x (9 x 10^-5). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x - 3)(x - 4).

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