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STANDARDS

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US-OK

Math

Oklahoma Math

Second Grade (2): Geometry & Measurement (GM)

2.GM.1

Analyze attributes of two- and three-dimensional figures and develop generalizations about their properties.

2.GM.1.1

Recognize regular and irregular trapezoids and hexagons.

2.GM.1.2

Describe, compare, and classify two-dimensional figures according to their geometric attributes.

2.GM.1.3

Compose and decompose two-dimensional shapes using triangles, squares, hexagons, trapezoids, and rhombi.
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2.GM.1.4

Sort three-dimensional shapes based on attributes such as number of faces, vertices, and edges.
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2.GM.1.5

Recognize right angles and classify angles as smaller or larger than a right angle.
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2.GM.2

Understand length as a measurable attribute and explore capacity.

2.GM.2.1

Explain the relationship between the size of the unit of measurement and the number of units needed to measure the length of an object.

2.GM.2.2

Explain the relationship between length and the numbers on a ruler by using a ruler to measure lengths to the nearest whole unit.

2.GM.2.3

Explore how varying shapes and styles of containers can have the same capacity.
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2.GM.3

Tell time to the quarter hour.

2.GM.3.1

Distinguish between a.m. and p.m.
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2.GM.3.2

Read and write time to the quarter hour on an analog and digital clock.
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