Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

14th October 2024

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 40 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form2 marks
Work out (6 x 10^5) x (4 x 10^5). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £14.15. 3 teas and 5 cakes cost £22.35. Find the price of a tea.
5
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.

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