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...free-courses...Sesiwn 1: Gweithio gyda rhifau: Cyflwyniad - Mae’n anodd iawn ymdopi â bywyd pob dydd heb ddealltwriaeth sylfaenol o rifau. Gall cyfrifiannell fod yn ddefnyddiol iawn, er enghraifft i’ch helpu i wirio’ch gwaith cyfrifo neu i drosi ffracsiynau’n ddegolion. Er mwyn cwblhau’r gweithgareddau yn y cwrs hwn bydd arnoch angen papur nodiadau, ysgrifbin i...

...free course reviews the basics of all three and also describes scientific notation, which is a convenient way of writing or displaying large numbers...From paving your patio to measuring the ingredients for your latest recipe, squares, roots and powers really are part of everyday life. This free course reviews the basics of all three and also describes scientific...

...free course is an introduction to Number Theory. Section 1 provides a brief introduction to the kinds of problem that arise in Number Theory. Section 2 reviews and provides a more formal approach to a powerful method of proof, mathematical induction. Section 3 introduces and makes precise the key notion of divisibility. The Division Algorithm, concerning the division of...

...free course, Starting with maths: Patterns and formulas, explores some of these patterns, from ancient number patterns to the latest mathematical research...Patterns occur everywhere in art, nature, science and especially mathematics. Being able to recognise, describe and use these patterns is an important skill that helps you to tackle a wide variety of different...