Daily Practice · Higher

Daily Practice - Higher

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

14th December 2015

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 104 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Inequalities on Graphs2 marks
A region is defined by y <= -x - 6. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 10%. 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 12 cm. Work out its volume, leaving your answer in terms of pi.

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