Daily Practice · Higher

Daily Practice - Higher

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

28th May 2014

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

1
Probability Trees3 marks
1 of 7 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 9, 4, 12, 7. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices3 marks
Work out 25^(3/2).
4
Simultaneous Equations3 marks
5 teas and 3 cakes cost £14.75. 4 teas and 2 cakes cost £11.00. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 85 cm^3 and density 4 g/cm^3. Work out its mass.

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