A symmetrical triangle on non-squared paper Student activity Play

A symmetrical triangle on squared paper Whiteboard exercise Play

A symmetrical triangle on squared paper Student activity Play

A triangle symmetrical with respect to a line Student activity Play

A triangle symmetrical with respect to a line Whiteboard exercise Play

Congruency of triangles Whiteboard exercise Play

Congruency of triangles and other figures Student activity Play

Congruent triangles Animation Play

Creating symmetrical triangles Whiteboard exercise Play

Drawing symmetrical triangles Animation Play

Lena's way Animation Play

Symmetrical figures Whiteboard exercise Play

Symmetrical triangles Animation Play

Symmetry and congruency Class activity Play

Symmetry and congruency Whiteboard presentation Play

The symmetry of triangles Whiteboard exercise Play

Triangles symmetrical with respect to a line Whiteboard exercise Play