Lesson: Properties of 2D Shapes Elementary School Mathematics 1st Grade • Go Math! • Grade 2 • Common Core • Math Connects • Grade 2 • Volume 2 • Student Edition

Mathematics

In this lesson, we will learn how to analyze 2D shapes to see what features a shape always has and what features it sometimes, or never, has.

Sample Question Videos

Q1:

Do all the triangles have 3 edges (sides)?

Q2:

Liam has sorted these shapes by size.

Are all the rectangles in the same group?

Q3:

Not all triangles are big.

Fill in the blank: Not all triangles .

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