Grade 1

Number & Operations in Base Ten 4.G.A.2

The Standard
Aligned Resources

2. Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.

Aligned Resources

MathShack

More standards from Grade 1 - Number & Operations in Base Ten

4.G.A.1

4.G.A.2

4.G.A.3

If I'd had to teach to the Common Core, I would have used Shmoop, too.

Aristotle

The observed gravitational effect between Common Core activities results from their warping of Shmooptime.

Grade 1

Grade 1

Number & Operations in Base Ten 4.G.A.2

Aligned Resources

MathShack

More standards from Grade 1 - Number & Operations in Base Ten

Aristotle

Albert Einstein

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