Daily Practice · Higher

Daily Practice - Higher

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

12th December 2014

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

1
Conditional Probability3 marks
21 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
3
Fractional and Negative Indices3 marks
Work out 100^(3/2).
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 7x + 6, work out y when x = -1.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 24. Work out y when x = 14.

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