Daily Practice · Higher

Daily Practice - Higher

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

19th April 2011

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 6 cm, 8 cm and 10 cm. Work out the angle opposite the 6 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 5 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
50 newts are marked and released. Later 12 are caught, of which 2 are marked. Estimate the population.
4
Reverse Percentages3 marks
A bill is £96 including VAT at 20%. Work out the amount before VAT.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x + 3 that passes through (2, 1).

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