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Alabama Math Standard: 4.M.B.26

Decompose an angle into non-overlapping parts to demonstrate that the angle measure of the whole is the sum of the angle measures of the parts.

Intersecting Angles and Streets

Intersecting Angles and Streets

There can never be just one angle.

The Angles of a Triangle

The Angles of a Triangle

Why tell a kid the rules of a triangle when they can discover them!?