Daily Practice · Higher

Daily Practice - Higher

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

24th June 2021

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

1
Repeated Percentage Change3 marks
A town's population is 38000 and grows by 3% each year. Work out the population after 6 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (-5, -2) and b is (-3, 4). Work out 5a - 4b as a column vector.
3
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Histograms2 marks
A histogram class is 4 units wide and contains 8 values. Work out the frequency density.
5
Standard Form3 marks
Work out (28 x 10^6) / (7 x 10^2). Give your answer in standard form.

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