Daily Practice · Higher

Daily Practice - Higher

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

30th March 2023

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

1
Probability Trees3 marks
5 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 4 units wide and contains 8 values. Work out the frequency density.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 - 7x - 5.
5
Repeated Percentage Change3 marks
A town's population is 23000 and grows by 4% each year. Work out the population after 6 years, to the nearest whole number.

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