Easel by TpT

Tangram Math: Integrating Fractions, Decimals, Percent, Geometry, and Algebra

Grade Levels
5th - 8th, Homeschool
Formats Included
  • PDF
23 pages
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In this powerfully engaging activity students of all skill levels will study standard and nonstandard tangrams to determine the values of the pieces. Students will compare the pieces to see how they relate to one another as fractions, decimals, percent, and areas. They will also develop geometric vocabulary and form an understanding of congruence and similarity. The best part is that the entire process will lead them seamlessly into algebraic thinking as they navigate among the pieces and their representations. The activity can also be used to help students learn probability, solve proportions and equations and understand algebraic properties!

Total Pages
23 pages
Answer Key
Teaching Duration
1 Week
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to see state-specific standards (only available in the US).
Represent proportional relationships by equations. For example, if total cost 𝘡 is proportional to the number 𝘯 of items purchased at a constant price 𝘱, the relationship between the total cost and the number of items can be expressed as 𝘡 = 𝘱𝘯.
Recognize and represent proportional relationships between quantities.
Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.
Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.
Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.


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