Daily Practice · Higher

Daily Practice - Higher

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

20th December 2013

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x + 2 that passes through (1, -9).
2
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 80. Work out y when x = 11.
3
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.
4
Probability Trees3 marks
A bag holds 4 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.

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