Daily Practice · Higher

Daily Practice - Higher

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

13th August 1999

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 50. Work out y when x = 7.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 13 cm and angle 90°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
21 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
5
Standard Form3 marks
Work out (28 x 10^9) / (4 x 10^3). Give your answer in standard form.

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