Daily Practice
Foundation Plus
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21st March 1971
- 1Probability Trees3 marks
A bag holds 2 red and 4 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 = 7x + 16. Use it to estimate y when x = 5.
- 3Prime Factors, HCF and LCM3 marks
Write 96 as a product of its prime factors, using index form.
- 4Expanding and Factorising2 marks
Expand and simplify 6(6x + 11).
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1971, including the monthly compilation PDF.