Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

22nd March 2008

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Ratio2 marks
Red and blue stickers are in the ratio 3 : 8. There are 45 red stickers. How many stickers are there altogether?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 18°. How many sides does it have?
3
Probability Trees3 marks
3 of 7 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 15, lower quartile 25, median 34, upper quartile 44 and maximum 51. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 76 when truncated to the nearest whole number. Write down the error interval for y.

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