Daily Practice

Foundation Plus

12th February 1988

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

1
Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 6.5 cm apart on the map. How far apart are they in real life, in km?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 45°. How many sides does it have?
3
Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
60 newts are marked and released. Later 12 are caught, of which 3 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 33 when truncated to the nearest whole number. Write down the error interval for y.

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