Activity Description Mixtures allows exploration of percents through two piles of colored and uncolored chips. The user must decide how many chips to color to create the desired percentage of colored chips compared to the total pile. Mixtures is one of the Interactivate assessment explorers.

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Mixtures

Place in mathematics curriculum:

This activity can be used to:

• help students understand and apply algorithms for mixture problems presented in many math textbooks
• explore and create students own mixture problems

Mixtures allows the user to explore percent problems with two sets of circles. Each set of circles can have both colored and / or uncolored circles. The number of colored circles represents the percent of each pile. The user can select from a four modes: Exploration, Unknown Pile, Unknown Percent, or Unknown total.

Preparations for this activity:

• explain how to find the resulting percent from combining two sets
• answer questions about finding percents
• give several examples of percents in everyday life