Daily Practice · Higher

Daily Practice - Higher

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

3rd June 2022

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

1
Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
3
Fractional and Negative Indices2 marks
Write 8^-2 as a fraction.
4
Simultaneous Equations3 marks
3 teas and 4 cakes cost £19.90. 4 teas and 4 cakes cost £22.40. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 60. Work out y when x = 6.

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