Daily Practice · Higher

Daily Practice - Higher

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

24th April 2012

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 16 cm and 18 cm with an angle of 147° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
3 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
20 voles are marked and released. Later 8 are caught, of which 2 are marked. Estimate the population.
5
Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.

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