Daily Practice · Higher

Daily Practice - Higher

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

25th July 2006

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 = 2 : 7. Write y in terms of x.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 20 cm and an angle of 25°. Work out the side adjacent to that angle, 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
50 beetles are marked and released. Later 28 are caught, of which 4 are marked. Estimate the population.
5
Bounds2 marks
A mass is 17.2 kg, correct to 1 decimal place. Write down the upper bound.

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