This short video and interactive assessment activity is designed to teach third graders an overview of simple figure patterns.

This short video and interactive assessment activity is designed to teach third graders about classifying all types of triangles by lengths of sides.

This short video and interactive assessment activity is designed to teach third graders an overview of triangle classifications.

This short video and interactive assessment activity is designed to teach third graders about classifying triangles based on equal sides.

This short video and interactive assessment activity is designed to teach third graders about counting vertices and sides in various shapes.

This short video and interactive assessment activity is designed to teach third graders about describing patterns using letters.

This short video and interactive assessment activity is designed to teach third graders about determining unknown angles in parallelograms.

This short video and interactive assessment activity is designed to teach third graders about determining unknown angles in trapezoids.

This short video and interactive assessment activity is designed to teach third graders about determining unknown angles within rectangles and squares.

This short video and interactive assessment activity is designed to teach third graders about determining the unknown angle in an isosceles triangle.

This short video and interactive assessment activity is designed to teach third graders an overview of flat surfaces of 3d shapes.

This short video and interactive assessment activity is designed to teach third graders an overview of rectangles, squares, circles and triangles.

This short video and interactive assessment activity is designed to teach third graders an overview of ellipses, trapezoids, rhombi, and polygons.

This short video and interactive assessment activity is designed to teach third graders about determining whether lines are perpendicular.

This short video and interactive assessment activity is designed to teach third graders an overview of quadrilaterals.

This short video and interactive assessment activity is designed to teach third graders about counting the number of basic 2d shapes in a composite figure.

This short video and interactive assessment activity is designed to teach third graders an overview of quarter-circles and semi-circles.

This short video and interactive assessment activity is designed to teach third graders an overview of reflective symmetry.

This short video and interactive assessment activity is designed to teach third graders about identifying the properties of squares.

This short video and interactive assessment activity is designed to teach third graders about fraction of a whole.