Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th December 2020
- 1Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 2Fractional and Negative Indices2 marks
Write 2^-1 as a fraction.
- 3Inequalities on Graphs2 marks
A region is defined by y <= x + 4. Should the boundary line be solid or dashed, and why?
- 4Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 2.
- 5Spheres and Cones3 marks
A cone has base radius 10 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
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