Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
22nd February 2006
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 3, 6, 5, 6. Write down the cumulative frequency at the end of the third class.
- 2Standard Form2 marks
Work out (9 x 10^5) x (2 x 10^-4). Give your answer in standard form.
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 9. Work out the gradient of any line perpendicular to it.
- 4Speed and Density2 marks
A block has volume 155 cm^3 and density 8 g/cm^3. Work out its mass.
- 5Enlarging with Negative Scale Factors3 marks
The point (2, -5) is enlarged by scale factor -3 about the centre (2, -1). Write down the coordinates of the image.
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