Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
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23rd June 1999
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 7, 10, 4, 10. Write down the cumulative frequency at the end of the third class.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4242... as a fraction in its simplest form.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x - 2)(x + 5).
- 4Speed and Density2 marks
A block has volume 80 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 5 cm and one shorter side of 3 cm. Work out the other shorter side.
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