Daily Practice · Higher

Daily Practice - Higher

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

16th November 2011

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

1
Probability Trees3 marks
3 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 11, 4, 4, 12. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices3 marks
Work out 125^(2/3).
4
Equation of a Line3 marks
A line has gradient -2 and passes through (1, -8). Work out its equation.
5
Speed and Density2 marks
A block has volume 160 cm^3 and density 7.5 g/cm^3. Work out its mass.

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