Daily Practice · Higher

Daily Practice - Higher

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

23rd September 2005

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 174°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 3 in B only, 12 in both and 9 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Standard Form3 marks
Work out (15 x 10^12) / (3 x 10^5). Give your answer in standard form.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.

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