Daily Practice · Higher

Daily Practice - Higher

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

25th January 2018

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

1
Conditional Probability3 marks
13 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 5 units wide and contains 15 values. Work out the frequency density.
3
Bounds2 marks
A mass is 330 kg, correct to the nearest 10. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 8x + 10 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A town's population is 23000 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.

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