Foundation Plus
23rd December 1977
- 1Forming and Solving Equations3 marks
The angles in a triangle are 3x°, x° and (x + 105)°. Form an equation and work out x.
- 2Proportion2 marks
8 identical notebooks cost £16.80. Work out the cost of 12 of the same notebooks.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 19 cm and an angle of 46°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 5 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has a minimum of 11 and a maximum of 32. Work out the range.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1977, including the monthly compilation PDF.