Daily Practice
Foundation
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20th April 1971
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 500 times. How many heads would you expect?
- 2Frequency Trees3 marks
90 students were asked how they travel. 30 walked, and of those 5 were late. How many walkers were on time?
- 3Negative Numbers1 mark
Work out -10 x (-2).
- 4Substitution2 marks
Work out the value of 3x + 9 when x = 0.
- 5Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 7 cm apart on the map. How far apart are they in real life, in km?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1971, including the monthly compilation PDF.