Ratio and Proportion

Similarity, Ratio and Proportion (2006)

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This program presents the ideas of similarity, ratio and proportion in a refreshing and informal style. Examples are drawn from everyday life using familiar objects with on-screen graphics producing clear well defined diagrams. Thorough explanations are provided with worked examples and student practice is also included.

Grade Level:

Middle

High

Length:

00:22

Similarity, Ratio and Proportion

Rational Numbers: We Are Proportional (2007)

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This program provides students with a lively introduction to key concepts involved with triangles and quadrilaterals. It includes defining rational numbers as the ratio of two integers, defining rational numbers as a terminating or repeating decimal, the concept of proportional reasoning and examples of converting between decimals and rational numbers.

Grade Level:

Middle

High

Length:

00:31

Rational Numbers: We Are Proportional