Daily Practice · Higher

Daily Practice - Higher

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

6th December 2006

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
16 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 8, 11, 12, 7. Write down the cumulative frequency at the end of the third class.
3
Reverse Percentages3 marks
A bill is £672 including VAT at 20%. Work out the amount before VAT.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 8x + 7, work out y when x = 0.
5
Speed and Density2 marks
A block has volume 60 cm^3 and density 8 g/cm^3. Work out its mass.

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