Daily Practice · Higher

Daily Practice - Higher

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

11th February 2011

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 56. Work out y when x = 14.
2
Congruent Triangles2 marks
Two triangles are known to be congruent because two pairs of angles and a matching side are equal. Which congruence condition is this?
3
Conditional Probability3 marks
20 students study Spanish and 12 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 beetle population of a woodland. State one assumption the method relies on.
5
Standard Form2 marks
Work out (6 x 10^7) x (9 x 10^-2). Give your answer in standard form.

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