Consistency is the key. One lemon wedge per glass of water makes a nice glass of lemonade. Young scholars must identify the number of lemon wedges they need to make the same lemonade in a big gulp cup. They develop their own solution methods to determine the equivalent ratio.

Concepts

fractions, equivalent fractions, ratios, volume

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Additional Tags

math

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Instructional Ideas

• Bring different size containers and food coloring for pupils to test their solution methods
• Have pupils graph the different ratios on a coordinate plane to make a connection to slope

Classroom Considerations

• Builds on an understanding of equivalent fractions

Pros

• Encourages estimation prior to finding a solution
• Incorporates different mathematical concepts in a single task

Cons

• None

Common Core

6.NS.A.1