Daily Practice
Foundation Plus
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1st March 1985
- 1Probability Trees3 marks
A bag holds 7 red and 2 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Capture Recapture3 marks
15 newts are marked and released. Later 20 are caught, of which 2 are marked. Estimate the population.
- 3Prime Factors, HCF and LCM3 marks
Write 96 as a product of its prime factors, using index form.
- 4Solving Equations3 marks
Solve 3(x - 8) = -12.
- 5Proportion2 marks
8 identical notebooks cost £5.60. Work out the cost of 10 of the same notebooks.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1985, including the monthly compilation PDF.