Daily Practice · Higher

Daily Practice - Higher

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

27th November 2009

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
2
Bounds2 marks
A mass is 32 kg, correct to the nearest whole number. Write down the lower bound.
3
Inequalities on Graphs2 marks
A region is defined by y < -3x - 7. Should the boundary line be solid or dashed, and why?
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 27. Work out y when x = 7.
5
Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 18 cm. Work out its volume, leaving your answer in terms of pi.

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