Daily Practice
Foundation Plus
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22nd August 1969
- 1Probability Trees3 marks
A bag holds 7 red and 5 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 176 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Prime Factors, HCF and LCM3 marks
Write 36 as a product of its prime factors, using index form.
- 4Substitution3 marks
Use v = u + at with u = 15, a = 5 and t = 7. Work out v.
- 5Proportion2 marks
6 identical batteries cost £4.20. Work out the cost of 5 of the same batteries.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1969, including the monthly compilation PDF.