Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
12th September 2008
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 12. Work out y when x = 15.
- 2Spheres and Cones3 marks
A sphere has radius 15 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
- 5Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of September 2008, including the monthly compilation PDF.