Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
24th April 2017
- 1Conditional Probability3 marks
23 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 196 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Surds2 marks
Write sqrt(27) in the form a sqrt(b), where b is as small as possible.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x - 6, work out y when x = -3.
- 5Repeated Percentage Change3 marks
A price rises by 25% and then falls by 20%. 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.
Recent Higher sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of April 2017, including the monthly compilation PDF.