Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

18th December 2014

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
5 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 10 units wide and contains 30 values. Work out the frequency density.
3
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
4
Factorising Harder Quadratics3 marks
Factorise 12x^2 + 19x + 4.
5
Repeated Percentage Change3 marks
A town's population is 12000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Every sheet is deterministic: the same date always regenerates the same five questions. All of December 2014, including the monthly compilation PDF.