Daily Practice · Higher

Daily Practice - Higher

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

21st March 2013

5 questions · 11 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 170°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 10 in B only, 6 in both and 1 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
4
Bounds2 marks
A mass is 7.6 kg, correct to 1 decimal place. Write down the upper bound.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.

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