Daily Practice · Higher

Daily Practice - Higher

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

5th October 2011

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

1
Conditional Probability3 marks
19 students study Spanish and 9 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 5, 12, 6, 9. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices2 marks
Write 2^-3 as a fraction.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 6x + 1 = 0, to 2 decimal places.
5
Speed and Density2 marks
A block has volume 75 cm^3 and density 7.5 g/cm^3. Work out its mass.

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