Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. Solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems, e.g., by using an equation with a symbol for the unknown angle measure.

4 Lesson(s)

Angles and Pattern Blocks

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Helena, MT
Environment: Suburban

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Complementary & Supplementary Angles

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Environment: Urban

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Angle Assessment

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Helena, MT
Environment: Suburban

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Reflections (1)

Measuring Angles Inside Shapes

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Environment: Urban

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Resources (31)

Reflections (1)
Common Core Math