Daily Practice · Higher

Daily Practice - Higher

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

23rd February 2007

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 snail population of a hedgerow. State one assumption the method relies on.
2
Fractional and Negative Indices3 marks
Work out 216^(2/3).
3
Inequalities on Graphs2 marks
A region is defined by y < 2x - 4. Should the boundary line be solid or dashed, and why?
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 42. Work out y when x = 15.
5
Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 21 cm. Work out its volume, leaving your answer in terms of pi.

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