Daily Practice - Foundation Plus
- 1Ratio2 marks
Red and blue sweets are in the ratio 2 : 5. There are 20 red sweets. How many sweets are there altogether?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 40°. How many sides does it have?
- 3Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 6, 4, 9, 11. Write down the cumulative frequency at the end of the third class.
- 5Error Intervals2 marks
A number y is 21 when truncated to the nearest whole number. Write down the error interval for y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1994, including the monthly compilation PDF.