Foundation Plus
15th December 1972
- 1Area and Perimeter3 marks
A trapezium has parallel sides of 11 cm and 22 cm, 4 cm apart. Work out its area.
- 2Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 3 in B only, 4 in both and 11 in neither. Work out the probability a random one is in A or B.
- 3Box Plots2 marks
A box plot has minimum 10, lower quartile 17, median 22, upper quartile 31 and maximum 40. Work out the interquartile range.
- 4Reverse Percentages3 marks
After an increase of 10%, a price is £66. Work out the price before the change.
- 5Forming and Solving Equations3 marks
3 consecutive whole numbers add up to 21. Work out the smallest of them.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1972, including the monthly compilation PDF.