Daily Practice · Higher

Daily Practice - Higher

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

9th November 2004

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 12 cm and 15 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 4 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
45 fish are marked and released. Later 72 are caught, of which 8 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 49^(3/2).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 3x + 2 that passes through (6, 24).

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