Daily Practice · Higher

Daily Practice - Higher

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

10th March 2010

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Fractional and Negative Indices3 marks
Work out 64^(2/3).
2
Factorising Harder Quadratics3 marks
Factorise 6x^2 - 7x - 20.
3
Speed and Density2 marks
A block has volume 200 cm^3 and density 3 g/cm^3. Work out its mass.
4
Spheres and Cones3 marks
A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of pi.
5
Probability Trees3 marks
6 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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