Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
27th November 2017
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 180 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.1717... as a fraction in its simplest form.
- 3Expanding and Factorising Quadratics2 marks
Factorise x^2 - 25.
- 4Repeated Percentage Change3 marks
A price rises by 15% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
- 5Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 64°. Work out angle ABC, where B is on the major arc.
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