Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
11th June 2020
- 1Best Buy Questions3 marks
A pack of 6 teabags costs £3.30. A pack of 18 costs £9.72. Which pack is better value?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 30°. How many sides does it have?
- 3Probability Trees3 marks
2 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 3, 9, 5, 9. Write down the cumulative frequency at the end of the third class.
- 5Error Intervals2 marks
A number y is 5 when truncated to the nearest whole number. Write down the error interval for y.
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