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Combinations and Pascal's Triangle

Combinations consists of seven instant maths ideas including a consideration of the number of arrangements of dots used when writing in Braille, an investigation of Pascal’s triangle, investigating the number of routes through New York, exploring the number of ways six letters can incorrectly be placed in six envelopes. Other activities explore the formula for calculating the number of combinations relating the results to numbers found in Pascal’s triangle. Understanding of factorial is required for this section.

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