Pot of Colours

A Maths Starter of The Day

The pot contains 10 counters which are being randomly removed and replaced. How many of each colour do you think are in the pot?

 

 

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Keywords: Starter | Data Handling | Probability

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Answers

There are 3 red, 5 green and 2 blue counters in the pot.

[Notes for Teacher: The film will go on for ever! It shows a red, green or blue counter being taken from at random but in proportion to the number of red, green and blue counters in the pot. Students might make a tally chart to see the relative numbers of counters being pulled out of the pot then divide 10 in the same ratio.]
Teacher, do your students have one to one access to computers?

Whether your students each have a TabletPC or share a desktop PC, this activity lends itself to eLearning (Engaged Learning).

Students could investigate the random function available in a spreadsheet to simulate a real life activity.

Here is the previous version of this starter