Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th February 2022
- 1Conditional Probability3 marks
28 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 5, 5, 10, 8. Write down the cumulative frequency at the end of the third class.
- 3Reverse Percentages3 marks
A bill is £408 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (-4, 20) satisfy y > -4x + 2?
- 5Speed and Density2 marks
A block has volume 100 cm^3 and density 2.5 g/cm^3. Work out its mass.
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