Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
14th December 2012
- 1Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 15 cm apart on the map. How far apart are they in real life, in km?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 24°. How many sides does it have?
- 3Probability Trees3 marks
3 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 0 < x <= 5. The frequencies in order are 3, 7, 16, 11, 21. Write down the modal class.
- 5Error 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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