Daily Practice · Higher

Daily Practice - Higher

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

25th October 2008

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

1
Enlarging with Negative Scale Factors3 marks
The point (4, -5) is enlarged by scale factor -2 about the centre (4, 1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 18 in B only, 7 in both and 3 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 8, lower quartile 15, median 18, upper quartile 24 and maximum 31. Work out the interquartile range.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 4. Work out the gradient of any line perpendicular to it.

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