Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th July 2013
- 1Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 5. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
17 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture3 marks
60 newts are marked and released. Later 15 are caught, of which 3 are marked. Estimate the population.
- 5Surds2 marks
Write sqrt(18) 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 July 2013, including the monthly compilation PDF.