Interactive
CK-12 Foundation

Properties of Congruence: Polygon Party

For Students 9th - 11th Standards
Don't let congruent figures drag you down. Young mathematicians use an interactive to drag figures onto one another to determine if the figures are congruent.
Interactive
CK-12 Foundation

Properties of Congruence: Congruent Figures

For Students 9th - 11th Standards
No two resources are exactly the same, but polygons can be. Scholars match congruent figures by dragging them together in an interactive. They answer some challenge questions that justify their matches.
Interactive
Curated OER

Similar Polygons

For Students 7th - 8th
For this similar polygons worksheet, students identify the corresponding sides of polygons.  They use proportions to solve problems.  Students determine the scale factor of similar figures.  This two-page worksheet...
Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures learning exercise, students identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a...