Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st April 2004
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 5, 7, 3, 5. Write down the cumulative frequency at the end of the third class.
- 2Bounds2 marks
A mass is 21.1 kg, correct to 1 decimal place. Write down the lower bound.
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 8. Work out the gradient of any line perpendicular to it.
- 4Speed and Density2 marks
A block has volume 165 cm^3 and density 3 g/cm^3. Work out its mass.
- 5Enlarging with Negative Scale Factors3 marks
The point (-4, -1) is enlarged by scale factor -2 about the centre (1, 3). Write down the coordinates of the image.
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