Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
28th December 2006
- 1Best Buy Questions3 marks
A pack of 11 batteries costs £3.30. A pack of 22 costs £6.16. Which pack is better value?
- 2Vectors2 marks
a is the column vector (0, -3) and b is (-2, 6). Work out a + b 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.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 16, 3, 7, 21, 11. Write down the modal class.
- 5Error Intervals2 marks
A number y is 16 when truncated to the nearest whole number. Write down the error interval for y.
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 Foundation Plus sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of December 2006, including the monthly compilation PDF.