Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

23rd June 2011

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 5 pencils costs £2.00. A pack of 10 costs £3.70. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 15°. How many sides does it have?
3
Probability Trees3 marks
3 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 5, lower quartile 13, median 16, upper quartile 18 and maximum 26. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 18 when truncated to the nearest whole number. Write down the error interval for y.

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