Daily Practice · Higher

Daily Practice - Higher

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

8th March 2019

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 20 cm, 21 cm and 29 cm. Work out the angle opposite the 20 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 5 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
4
Bounds2 marks
A mass is 130 kg, correct to the nearest 10. Write down the lower bound.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x - 1 that passes through (1, 9).

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