Daily Practice · Higher

Daily Practice - Higher

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

23rd August 2018

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

1
Probability Trees3 marks
5 of 7 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 5 units wide and contains 7.5 values. Work out the frequency density.
3
Standard Form2 marks
Work out (5 x 10^5) x (8 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 5x^2 + 19x + 12.
5
Repeated Percentage Change3 marks
A town's population is 11500 and grows by 3% each year. Work out the population after 5 years, to the nearest whole number.

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