Unit 8, Lesson 6, Grade 2 icon
Unit 8, Lesson 6

Combine shapes to create a composite shape; create a new shape from composite shapes

EngageNY 60 min(s)Support for English Language Learners

In this lesson, students use tangrams to show that two small triangles can be positioned to form a larger triangle, parallelogram, or square. Each of these composite shapes is composed of two equal shares, described as halves. Finally, students experiment with pattern blocks to see, for example, how three triangle blocks can be combined to form a trapezoid.

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