You saw it- two standards at once!
We'll be using the basic concept of congruence (6.12) a lot as we learn about comparing and describing quadrilaterals (6.13). Here's a great list of resources i recommend using as that study begins; note that some may be used in class, as needed.
SOL 6.12:
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/determine-similar-quadrilaterals
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/similar-figures-definition
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/congruent-definition
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/definition-corresponding-parts-similar-figures
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/triangle-corresponding-parts-example
SOL 6.13:
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/parallelogram-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/rhombus-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/quadrilateral-types
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/trapezoid-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/definition-square
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/quadrilateral-definition
https://www.ixl.com/math/grade-6/classify-quadrilaterals
http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/quad_quest/quad_quest.html
http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/new_quads/quadquiz.html
We'll be using the basic concept of congruence (6.12) a lot as we learn about comparing and describing quadrilaterals (6.13). Here's a great list of resources i recommend using as that study begins; note that some may be used in class, as needed.
SOL 6.12:
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/determine-similar-quadrilaterals
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/similar-figures-definition
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/congruent-definition
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/definition-corresponding-parts-similar-figures
http://www.virtualnerd.com/middle-math/geometric-figures/congruent-similar/triangle-corresponding-parts-example
SOL 6.13:
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/parallelogram-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/rhombus-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/quadrilateral-types
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/trapezoid-definition
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/definition-square
http://www.virtualnerd.com/middle-math/geometric-figures/polygons/quadrilateral-definition
https://www.ixl.com/math/grade-6/classify-quadrilaterals
http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/quad_quest/quad_quest.html
http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/new_quads/quadquiz.html