Daily Practice · Higher

Daily Practice - Higher

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

24th October 2011

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 48 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Standard Form3 marks
Work out (6 x 10^8) / (2 x 10^3). Give your answer in standard form.
3
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -100/x, work out y when x = -10, and write down the equation of its vertical asymptote.
4
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
5
Similar Shapes (Area and Volume)3 marks
Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 756 cm^3. Work out the volume of the smaller.

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