Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th August 2020
- 1Conditional Probability3 marks
23 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Histograms2 marks
A histogram class is 20 units wide and contains 40 values. Work out the frequency density.
- 3Bounds2 marks
A mass is 14.6 kg, correct to 1 decimal place. Write down the lower bound.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 2x + 7, work out y when x = 2.
- 5Repeated Percentage Change3 marks
A town's population is 4000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
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