Daily Practice · Higher

Daily Practice - Higher

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

11th February 2016

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

1
Probability Trees3 marks
3 of 6 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 2.5 values. Work out the frequency density.
3
Standard Form2 marks
Work out (6 x 10^7) x (9 x 10^-4). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 1 cake cost £5.20. 2 teas and 3 cakes cost £9.30. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 19500 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.

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