Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th December 2014
- 1Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 11, lower quartile 14, median 23, upper quartile 30 and maximum 39. Work out the interquartile range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest form.
- 4Simultaneous Equations3 marks
5 teas and 3 cakes cost £18.40. 3 teas and 3 cakes cost £14.10. Find the price of a tea.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 150. Work out y when x = 2.
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 December 2014, including the monthly compilation PDF.