Ratios and Proportions with Cuisenaire® Rods

A ratio is a comparison of two numbers. Place a 5-unit rod and a 6-unit rod. The length of the 5-unit long rod to the length of the 6-unit long rod can be written as the ratio 5:6. Next double the number of rods to create the ratio 10:12. A proportion is an equation that shows that two ratios are equal. The ratios 5:6 and 10:12 form a proportion because their ratios are equivalent.



Ratios and Proportions using the Brainingcamp Cuisenaire® Rods virtual manipulative.

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