Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
12th March 2010
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 55. Work out y when x = 13.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two angles and a corresponding side outside them are equal. Which congruence condition is this?
- 3Conditional Probability3 marks
11 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 5Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.
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