Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
- 1Writing and Simplifying Ratio2 marks
Write the ratio 3 : 6 in the form 1 : n.
- 2Vectors2 marks
a is the column vector (3, -3) and b is (4, 5). Work out a + b as a column vector.
- 3Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Scatter Graphs2 marks
A scatter graph plots a runner's time for 100 m and the distance they can throw a ball. What type of correlation would you expect?
- 5Error Intervals2 marks
A number y is 40 when truncated to the nearest whole number. Write down the error interval for y.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of May 2014, including the monthly compilation PDF.