Daily Practice · Higher

Daily Practice - Higher

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

17th May 2000

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

1
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 6, 8, 7, 11. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices2 marks
Write 6^-3 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 9x^2 + 18x + 8.
5
Speed and Density2 marks
A block has volume 70 cm^3 and density 2.5 g/cm^3. Work out its mass.

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