Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
5th November 2016
- 1Ratio2 marks
Red and blue sweets are in the ratio 3 : 5. There are 45 red sweets. How many sweets are there altogether?
- 2Vectors2 marks
a is the column vector (7, 5) and b is (4, -2). Work out a + b as a column vector.
- 3Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture3 marks
10 newts are marked and released. Later 24 are caught, of which 6 are marked. Estimate the population.
- 5Error Intervals2 marks
A number y is 39 when truncated to the nearest whole number. Write down the error interval for y.
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Recent Foundation Plus sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of November 2016, including the monthly compilation PDF.