Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th August 2023
- 1Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 3, 3, 12, 7. Write down the cumulative frequency at the end of the third class.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
- 4Simultaneous Equations3 marks
4 teas and 4 cakes cost £22.40. 3 teas and 5 cakes cost £23.40. Find the price of a tea.
- 5Speed and Density2 marks
A block has volume 70 cm^3 and density 8 g/cm^3. Work out its mass.
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