Daily Practice · Higher

Daily Practice - Higher

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

28th September 2001

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
2
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 36.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 8. Work out y when x = 13.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 154°. Work out angle ABC, where B is on the major arc.

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