Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th November 2020
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 3, 4, 4, 3. Write down the cumulative frequency at the end of the third class.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 5. Work out the gradient of any line perpendicular to it.
- 4Speed and Density2 marks
A block has volume 20 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 5Enlarging with Negative Scale Factors3 marks
The point (3, -6) is enlarged by scale factor -3 about the centre (3, 0). Write down the coordinates of the image.
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