Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
29th April 2025
- 1Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 21 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 4 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
40 newts are marked and released. Later 32 are caught, of which 4 are marked. Estimate the population.
- 4Bounds2 marks
A mass is 800 kg, correct to the nearest 10. Write down the lower bound.
- 5Inequalities on Graphs2 marks
A region is defined by y <= x + 8. Should the boundary line be solid or dashed, and why?
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