Finding Similar and Congruent Shapes
Students draw similar and congruent shapes, identify shapes on cards, then share their shape with the class.
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Ratios and Proportions with Congruent and Similar Polygons
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
8th - 11th Math CCSS: Adaptable
Discovering Math: Exploring Geometry
Apply geometric properties and formulae for surface area and volume by constructing a three-dimensional model of a city. Learners use similar and congruent figures and transformations to create a city of at least 10 buildings. They trade...
6th - 8th Math CCSS: Adaptable
New Review Triangle AA Similarity: Lesson
Two sets of congruent angles leads to three. Using diagrams of two triangles, the presentation intuitively shows that if two sets of angles are congruent, the third set is too. The portion of a geometry playlist uses that information to...
3 mins 7th - 11th Math CCSS: Adaptable