How many triangles?

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Math_Team

Subject Math — Geometry

Grade Level Grades K-5

Resource Type Activity

Standards Alignment

Common Core State Standards

License

About This Lesson

How many triangles can you spot? A good thinking activity. Aligned with Common Core State Standards: 2.G.1, Reason with shapes and their attributes; 3.G.2, Reason with shapes and their attributes, 4.G.3

Kindergarten Lesson Plans

Resources

Files

How_many_Triangles.doc

Activity

February 9, 2020

27 KB

Standards

CCSS.Math.Content.2.G.A.1

Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

CCSS.Math.Content.3.G.A.2

Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.

CCSS.Math.Content.4.G.A.3

Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.