Daily Practice · Higher

Daily Practice - Higher

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

7th January 2003

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
30 newts are marked and released. Later 72 are caught, of which 9 are marked. Estimate the population.
4
Standard Form3 marks
Work out (18 x 10^9) / (9 x 10^5). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x + 5 that passes through (6, -33).

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