Daily Practice
Foundation Plus
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21st August 1976
- 1Probability Trees3 marks
A bag holds 4 red and 8 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 5x + 21. Use it to estimate y when x = 8.
- 3Prime Factors, HCF and LCM3 marks
Write 48 as a product of its prime factors, using index form.
- 4Expanding and Factorising2 marks
Expand and simplify 4(2x + 3).
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 9.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1976, including the monthly compilation PDF.