Daily Practice · Higher

Daily Practice - Higher

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

23rd February 2011

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

1
Speed and Density2 marks
A block has volume 90 cm^3 and density 7.5 g/cm^3. Work out its mass.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 10 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
18 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 5, 4, 6, 10. Write down the cumulative frequency at the end of the third class.
5
Reverse Percentages3 marks
A bill is £72 including VAT at 20%. Work out the amount before VAT.

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