Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
11th October 2014
- 1Ratio2 marks
Red and blue stickers are in the ratio 5 : 8. There are 25 red stickers. How many stickers are there altogether?
- 2Vectors2 marks
a is the column vector (-7, 5) and b is (5, 1). 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.
- 4Two Way Tables3 marks
Of 58 students, 19 study French, 36 study German and 14 study both. How many study neither?
- 5Error Intervals2 marks
A number y is 14 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 October 2014, including the monthly compilation PDF.