Daily Practice · Higher

Daily Practice - Higher

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

18th September 2020

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
2
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -5x + 1 that passes through (6, -20).
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 42. Work out y when x = 8.
5
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.

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