Daily Practice · Higher

Daily Practice - Higher

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

27th October 2009

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
25 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
20 fish are marked and released. Later 14 are caught, of which 2 are marked. Estimate the population.
3
Reverse Percentages3 marks
A bill is £456 including VAT at 20%. Work out the amount before VAT.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 8x + 1, work out y when x = -1.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.

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.

Every sheet is deterministic: the same date always regenerates the same five questions. All of October 2009, including the monthly compilation PDF.