Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
15th December 2019
- 1The Sine Rule3 marks
In triangle ABC, angle A is 44°, angle B is 75° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.
- 2Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 16 in B only, 3 in both and 5 in neither. Work out the probability a random one is in both.
- 3Box Plots2 marks
A box plot has a minimum of 13 and a maximum of 28. Work out the range.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6666... as a fraction in its simplest form.
- 5Expanding and Factorising Quadratics3 marks
Factorise x^2 + 10x + 24.
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