Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
12 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 3Fractional and Negative Indices3 marks
Work out 81^(3/2).
- 4Quadratic Formula3 marks
Work out the discriminant of 3x^2 + x + 12 = 0 and say how many real solutions it has.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 8. Work out y when x = 12.
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 June 2012, including the monthly compilation PDF.