Daily Practice · Higher

Daily Practice - Higher

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

11th December 2013

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
5 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, 8, 12, 11. Write down the cumulative frequency at the end of the third class.
3
Standard Form2 marks
Work out (5 x 10^7) x (5 x 10^-3). Give your answer in standard form.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 4, and write down where the curve crosses the y-axis.
5
Speed and Density2 marks
A block has volume 25 cm^3 and density 7.5 g/cm^3. Work out its mass.

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