Daily Practice · Higher

Daily Practice - Higher

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

16th January 2014

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 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 20 units wide and contains 50 values. Work out the frequency density.
3
Fractional and Negative Indices3 marks
Work out 36^(3/2).
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 + 19x + 15.
5
Repeated Percentage Change3 marks
A town's population is 25000 and grows by 4% each year. Work out the population after 2 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 January 2014, including the monthly compilation PDF.