Daily Practice · Higher

Daily Practice - Higher

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

16th March 2020

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 132 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Bounds2 marks
A mass is 14.3 kg, correct to 1 decimal place. Write down the upper bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 1. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
5
Enlarging with Negative Scale Factors3 marks
The point (-2, -4) is enlarged by scale factor -3 about the centre (-4, 4). Write down the coordinates of the image.

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