Daily Practice · Higher

Daily Practice - Higher

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

22nd December 2004

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
3 of 8 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 10, 3, 7, 10. Write down the cumulative frequency at the end of the third class.
3
Standard Form3 marks
Work out (4 x 10^11) / (2 x 10^3). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 5x^2 + x - 4.
5
Speed and Density2 marks
A block has volume 115 cm^3 and density 11 g/cm^3. Work out its mass.

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