Daily Practice · Higher

Daily Practice - Higher

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

18th December 2006

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
21 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 104 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form3 marks
Work out (21 x 10^7) / (7 x 10^4). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 5x - 6 = 0.
5
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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 December 2006, including the monthly compilation PDF.