Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th October 2015
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 36. Work out y when x = 14.
- 2Vectors3 marks
a is the column vector (4, -6) and b is (5, -6). Work out 2a - 2b as a column vector.
- 3Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3030... as a fraction in its simplest form.
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 October 2015, including the monthly compilation PDF.