Daily Practice · Higher

Daily Practice - Higher

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

28th April 2022

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

1
Probability Trees3 marks
1 of 10 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 30 values. Work out the frequency density.
3
Standard Form3 marks
Work out (27 x 10^9) / (9 x 10^4). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 10x^2 - 7x - 6.
5
Repeated Percentage Change3 marks
A town's population is 32000 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.

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