Daily Practice · Higher

Daily Practice - Higher

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

30th June 2010

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

1
Probability Trees3 marks
2 of 10 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 7, 7, 4, 3. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 3x^2 + 13x + 4.
5
Speed and Density2 marks
A block has volume 25 cm^3 and density 4 g/cm^3. Work out its mass.

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