Daily Practice · Higher

Daily Practice - Higher

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

8th September 2014

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 220 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 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 4. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
5
Enlarging with Negative Scale Factors3 marks
The point (-4, 0) is enlarged by scale factor -3 about the centre (2, -4). Write down the coordinates of the image.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Every sheet is deterministic: the same date always regenerates the same five questions. All of September 2014, including the monthly compilation PDF.