Daily Practice

Higher

14th December 1968

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

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 22, median 24, upper quartile 29 and maximum 34. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £240 including VAT at 20%. Work out the amount before VAT.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 5. 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 = 72. Work out y when x = 3.
5
Enlarging with Negative Scale Factors3 marks
The point (4, 4) is enlarged by scale factor -2 about the centre (-3, 3). Write down the coordinates of the image.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1968, including the monthly compilation PDF.