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Resources tagged with Digital roots similar to Divisibility Tests:

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Divisibility Tests

Stage: 3, 4 and 5

Tim Rowland takes the reader through divisibility tests and how they work. An article to read with pencil and paper to hand.

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Digital Roots

Stage: 2 and 3

In this article for teachers, Bernard Bagnall describes how to find digital roots and suggests that they can be worth exploring when confronted by a sequence of numbers.

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Investigating Pascal's Triangle

Stage: 2 and 3 Challenge Level: Challenge Level:1

In this investigation, we look at Pascal's Triangle in a slightly different way - rotated and with the top line of ones taken off.