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STANDARDS

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US-OK

Math

Oklahoma Math

Sixth Grade (6): Geometry & Measurement (GM)

6.GM.1

Use translations, reflections, and rotations to establish congruence and understand symmetry (not on a coordinate plane).

6.GM.1.1

Predict, describe, and apply translations (slides), reflections (flips), and rotations (turns) to a two-dimensional figure.
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6.GM.1.2

Recognize that translations, reflections, and rotations preserve congruence and use them to show that two figures are congruent.
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6.GM.1.3

Identify and describe the line(s) of symmetry in two-dimensional shapes.
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6.GM.2

Use mathematical modeling to calculate the area of squares, parallelograms, and triangles to solve problems.

6.GM.2.1

Develop and use formulas for the area of squares and parallelograms using a variety of methods including but not limited to the standard algorithms and finding unknown measures.

6.GM.2.2

Develop and use formulas to determine the area of triangles and find unknown measures.

6.GM.2.3

Find the area of right triangles, other triangles, special quadrilaterals, and polygons that can be decomposed into triangles and other shapes.

6.GM.3

Understand and use relationships between angles in geometric figures.

6.GM.3.1

Solve problems using the relationships between the angles (vertical, complementary, and supplementary) formed by intersecting lines.
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6.GM.3.2

Develop and use the fact that the sum of the interior angles of a triangle is 180° to determine missing angle measures in a triangle.
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6.GM.4

Choose appropriate units of measurement and use ratios to convert within measurement systems to model and solve real-world and mathematical problems.

6.GM.4.1

Estimate weights and capacities using benchmarks in customary and metric measurement systems with appropriate units.
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6.GM.4.2

Solve problems that require the conversion of lengths within the same measurement systems using appropriate units.