Foundation Plus
13th February 1971
- 1Probability Trees3 marks
A bag holds 5 red and 3 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 8, lower quartile 13, median 22, upper quartile 26 and maximum 34. Work out the interquartile range.
- 3Prime Factors, HCF and LCM3 marks
Write 40 as a product of its prime factors, using index form.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -12/x, work out y when x = -2, and write down the equation of its vertical asymptote.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 28. Work out y when x = 2.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Foundation Plus sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1971, including the monthly compilation PDF.