Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th September 2024
- 1Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.
- 2Speed and Density2 marks
A block has volume 80 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 3Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 112°. Work out angle ABC, where B is on the major arc.
- 4Venn Diagrams3 marks
In a Venn diagram, 12 are in A only, 5 in B only, 9 in both and 6 in neither. Work out the probability a random one is in both.
- 5Cumulative Frequency2 marks
Four classes in order have frequencies 6, 6, 6, 8. Write down the cumulative frequency at the end of the third class.
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