Daily Practice · Higher

Daily Practice - Higher

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

17th January 2023

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
55 beetles are marked and released. Later 24 are caught, of which 8 are marked. Estimate the population.
3
Standard Form3 marks
Work out (30 x 10^11) / (6 x 10^3). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient -2 and passes through (3, -10). Work out its equation.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.

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