Daily Practice · Higher

Daily Practice - Higher

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

31st January 2018

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

1
Probability Trees3 marks
4 of 6 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, 9, 9, 11. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices2 marks
Write 4^-2 as a fraction.
4
Simultaneous Equations3 marks
3 teas and 1 cake cost £9.80. 4 teas and 4 cakes cost £22.40. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 150 cm^3 and density 8 g/cm^3. Work out its mass.

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