Daily Practice · Higher

Daily Practice - Higher

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

21st February 2014

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

1
Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8484... as a fraction in its simplest form.
4
Simultaneous Equations3 marks
2 teas and 3 cakes cost £9.00. 1 tea and 3 cakes cost £6.90. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 20. Work out y when x = 7.

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 February 2014, including the monthly compilation PDF.