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You may want to wait to do this lesson until you have done an introduction to all of the shapes in your curriculum. This should not be the first time they have seen the names of these shapes. However, this lesson does begin with a review of most of the shapes they should have learned.
Ms. Hershey reviews parallel and perpendicular lines as well as acute, right, and obtuse angles. We apply this information to classify shapes and figures.
- 15 min
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- UTES Education
Keep going! Check out the next lesson and practice what you’re learning:https://www.khanacademy.org/math/cc-fourth-grade-math/plane-figures/imp-classifying-g...
- 4 min
- 91.5K
- Khan Academy
Quadrilaterals, rhombuses, squares, trapezoids, kites, rectangles, triangles, and parallelograms, also parallel sides and congruent sidesI hope you enjoyed t...
Jul 7, 2020 · trapezoids, as well as the classification of the same according to their sides and angles. Though trapezoids are classified under quadrilaterals, this lesson will only touch its different types. An in-depth lesson on quadrilaterals will be discussed in the next lesson. Triangles A triangle is a three-sided 2-dimensional shape that has the following
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5G2a use the properties of rectangles to deduce related facts and find missing lengths and angles. 6G2a compare and classify geometric shapes based on their properties and sizes 3G4a recognise that angles are a property of shape or a description of a turn. 4G4 identify acute and obtuse angles and compare and order angles up to two right angles ...
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How do you classify 2D shapes?
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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.
