Daily Practice · Higher

Daily Practice - Higher

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

9th May 2011

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 60 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Bounds2 marks
A mass is 50 kg, correct to the nearest whole number. Write down the upper bound.
3
Inequalities on Graphs2 marks
A region is defined by y < 2x - 8. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
5
Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.

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