Daily Practice · Higher

Daily Practice - Higher

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

21st July 2009

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 7 cm and 12 cm with an angle of 46° between them. Work out its area, to 1 decimal place.
3
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.
4
Capture Recapture3 marks
45 fish are marked and released. Later 90 are caught, of which 9 are marked. Estimate the population.
5
Standard Form3 marks
Work out (32 x 10^10) / (4 x 10^3). Give your answer in standard form.

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