Daily Practice · Higher

Daily Practice - Higher

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

17th September 2013

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 21 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 16 in B only, 11 in both and 4 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
45 voles are marked and released. Later 36 are caught, of which 3 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 36^(3/2).
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 1)(x - 3).

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