Daily Practice · Higher

Daily Practice - Higher

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

5th May 2023

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

1
Probability Trees3 marks
2 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 moth population of a meadow. State one assumption the method relies on.
3
Standard Form2 marks
Work out (6 x 10^7) x (9 x 10^-3). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 4 cakes cost £14.80. 1 tea and 2 cakes cost £5.90. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 64. Work out y when x = 15.

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