Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
8th March 2017
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 12, 6, 3, 6. Write down the cumulative frequency at the end of the third class.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7575... as a fraction in its simplest form.
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 6. Work out the gradient of any line perpendicular to it.
- 4Speed and Density2 marks
A block has volume 50 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 5Enlarging with Negative Scale Factors3 marks
The point (-3, -5) is enlarged by scale factor -1 about the centre (2, 4). Write down the coordinates of the image.
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