Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
17th August 2022
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - x - 56.
- 2Speed and Density2 marks
A block has volume 75 cm^3 and density 11 g/cm^3. Work out its mass.
- 3The Sine Rule3 marks
In triangle ABC, angle A is 73°, angle B is 53° and side a is 20 cm. Use the sine rule to work out side b, to 1 decimal place.
- 4Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 15 in B only, 7 in both and 2 in neither. Work out the probability a random one is in both.
- 5Cumulative Frequency2 marks
Four classes in order have frequencies 5, 6, 6, 5. Write down the cumulative frequency at the end of the third class.
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