Daily Practice · Higher

Daily Practice - Higher

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

6th April 2017

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

1
Probability Trees3 marks
8 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 10 units wide and contains 20 values. Work out the frequency density.
3
Standard Form3 marks
Work out (63 x 10^6) / (9 x 10^3). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient 4 and passes through (4, 7). Work out its equation.
5
Repeated Percentage Change3 marks
A town's population is 30500 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.

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