Daily Practice · Higher

Daily Practice - Higher

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

13th December 2007

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

1
Conditional Probability3 marks
23 students study Spanish and 8 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 10 units wide and contains 15 values. Work out the frequency density.
3
Bounds2 marks
A mass is 38 kg, correct to the nearest whole number. Write down the lower bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 3x - 5 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A town's population is 10500 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.

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