Daily Practice
Foundation Plus
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14th February 1980
- 1Probability Trees3 marks
A bag holds 4 red and 8 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 204 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Indices1 mark
Write down the value of 4^1.
- 4Substitution3 marks
Use v = u + at with u = 15, a = 3 and t = 8. Work out v.
- 5Speed and Density2 marks
A block has volume 55 cm^3 and density 11 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 February 1980, including the monthly compilation PDF.