Daily Practice
Foundation Plus
- 1Probability Trees3 marks
A bag holds 3 red and 7 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Capture Recapture3 marks
30 voles are marked and released. Later 80 are caught, of which 8 are marked. Estimate the population.
- 3Prime Factors, HCF and LCM3 marks
Write 54 as a product of its prime factors, using index form.
- 4Solving Equations3 marks
Solve 7(x - 1) = 28.
- 5Speed and Density2 marks
A block has volume 185 cm^3 and density 7.5 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1975, including the monthly compilation PDF.