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Students practice proportional reasoning skills using mental math. They play the online game "Jigsaw Puzzle" to complete a puzzle by resizing its pieces. Afterwards, they complete a paper based follow up assignment
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Ratios and Proportional Relationship
This comprehensive unit on proportional thinking is an excellent resource for any middle-school math class, whether added wholesale to the curriculum or used to supplement existing material. Lead-in problems and activities culminate in a...
5th - 7th Math CCSS: Designed
Use Proportional Reasoning to Make Estimates About a Population
Proportions are an important part of the Common Core that are used in this video to make estimates about a population. The lesson relates sample t-shirt sizes to total t-shirt sizes and organizes the data in a proportion. The problem is...
4 mins 5th - 8th Math CCSS: Designed