Daily Practice

Higher

13th December 1982

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 96 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 174°. Work out angle ABC, where B is on the major arc.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1982, including the monthly compilation PDF.