Daily Practice
Foundation
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16th November 1971
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 250 times. How many heads would you expect?
- 2Stem and Leaf2 marks
A stem and leaf diagram has a single stem 3 with the leaves 0, 3, 4, 8, 9. Work out the median of the five values.
- 3Estimating2 marks
Estimate 496 x 28 by rounding each number to 1 significant figure.
- 4Substitution2 marks
Work out the value of 9x - 4 when x = 1.
- 5Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 4.5 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 November 1971, including the monthly compilation PDF.