Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

Grades 4-6 - the Foundation / Higher crossover zone.

18th September 2008

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 11 batteries costs £4.95. A pack of 33 costs £14.52. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 72°. How many sides does it have?
3
Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
45 voles are marked and released. Later 28 are caught, of which 7 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 59 when truncated to the nearest whole number. Write down the error interval for y.

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