Daily Practice · Higher

Daily Practice - Higher

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

25th March 2000

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

1
Box Plots2 marks
A box plot has minimum 4, lower quartile 9, median 14, upper quartile 16 and maximum 22. Work out the interquartile range.
2
The Product Rule for Counting3 marks
A code is 2 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 = 3x + 6. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 252. Work out y when x = 3.
5
Enlarging with Negative Scale Factors3 marks
The point (-1, 0) is enlarged by scale factor -1 about the centre (-3, 1). Write down the coordinates of the image.

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