A side is a flat part of a shape. A vertex is a corner of a shape. It is a point where two sides meet. A shape has the same number of sides and vertices. Identify curves and angles. Viewer can move at his or her own pace.

Learn about circles, squares, triangles and rectangles. A circle is round, a triangle has three sides, a square had four sides that are all the same size and a rectangle has four sides with two the same size and two more that are a different size.

This music video is a combination of all of the different shape songs and covers the following shapes: circle, triangle, square, rectangle, rhombus, trapezoid, parallelogram, polygon, pentagon, hexagon, and octagon. Students are encouraged to repeat ...the name of the shapes, draw "small" and "big" shapes in the air, walk in the shape of a square/rectangle, and sing along! (13:43)[more]

In this interactive game, students utilize their knowledge of 2D and 3D shapes to answer questions about sides, fractional parts, corners, faces, and symmetry of different shapes. ( This link is for an interactive game and may take a few minutes to ...load.)[more]

Understanding and comparing the attributes of all the two-dimensional shapes is an important basic skill for primary students. This lesson allows students to explore different two-dimensional shapes, analyze their attributes, name them and describe t...hem. This lessons is available with English narration and script.[more]

Draw two-dimensional figures by applying significant properties of each (e.g., Draw a quadrilateral with two sets of parallel sides and four right angles).

Identify two-dimensional shapes by attribute (size, shape, number of sides, vertices). Recognize that an object is a triangle if it is closed shape with three angles and three sides.

This video includes a song that introduces students to the number of sides each shape has. The video uses shapes such as a circle, square, triangle and rectangle. (2:59)

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