CK-12 Foundation
Ck 12: Elem Math: Overview of Ellipses Trapezoids Rhombi and Polygons
[Free Registration/Login may be required to access all resource tools.] The video draws and defines an ellipse, trapezoid, rhombus, and polygon.
CK-12 Foundation
Ck 12: Elem Math: Overview of Forming Figures With Cutouts
[Free Registration/Login may be required to access all resource tools.] The video has two examples of figures formed from basic shapes and shows how to count the shapes used in creating these figures.
CK-12 Foundation
Ck 12: Elem Math: Overview of Lines, Curves, Vertices, and Sides of 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video gives examples and defines lines, curves, vertices, and sides of 2D shapes.
Khan Academy
Khan Academy: Recognizing Shapes
Discusses how to identify basic 2D shapes by their properties. [6:08]
Khan Academy
Khan Academy: Cousin Fal's Shape Collection
Looks at a collection of 2D shapes and discusses how to identify them based on their properties. [4:19]
Khan Academy
Khan Academy: Recognizing Shapes
Learn the names of different shapes and how to recognize them. [6:08]
Virtual Nerd
Virtual Nerd: What Is a Composite Figure?
Figures that look like a combination of multiple figures are called composite figures. This tutorial introduces you to composite figures and shows you how to break them into multiple shapes. [2:39]
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on various two dimensional shapes including rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Lines Curves Vertices and Sides of 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on lines, curves and vertices of two dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of rectangles, squares, circles and triangles.
PBS
Pbs: Odd Squad: Mr. Frank's Flat Cart
Learn about the relationships between two- and three-dimensional objects with the Odd Squad. A new villain is on the loose, and he's flattening things around town. Olive and Otto are on the case!
PBS
Pbs: Odd Squad: Shape Crystals
Oscar shows how to count sides to determine different shapes, which is important when agents come into contact with a shape crystal.
PBS
Pbs: Odd Squad: Lord Rectangle, Ms. Triangle, Gen. Pentagon and Prof. Square: Pbs Kids Lab
This video will help children with identifying shapes. Olive introduces the eccentric characters at Shapely Manor: Lord Rectangle, Miss Triangle, General Pentagon, and Professor Square.
PBS
Pbs: Odd Squad: Things Are Coming Apart
Learn about dividing objects into equal sections in this fun clip from the Odd Squad. Someone is cutting things into pieces all over town! Olive and Otto are on the case, but Otto just wants to see his favorite magician--the Great Grinaldi.
PBS
Pbs: Odd Squad: Mathroom Equal Pieces
Learn about dividing quantities with the Odd Squad. A visit to the Mathroom helps Olive and Otto understand why things are being cut into equal pieces across town.
Sophia Learning
Sophia: Shape Combining: Lesson 3
In this lesson, students see that they can combine shapes to create a new, composite shape. It is 3 of 4 in the series titled "Shape Combining."
Sophia Learning
Sophia: Shape Dividing: Lesson 2
Students see that shapes can be divided in order to form new shapes. This lesson is 2 of 5 in the series titled "Shape Dividing."
Sophia Learning
Sophia: Two Lines Tangent to a Circle: Lesson 4
This lesson will present how if two segments from the same point outside a circle are tangent to a circle, then they are congruent. It is 4 of 5 in the series titled "Two Lines Tangent to a Circle."
Sophia Learning
Sophia: Two Lines Tangent to a Circle: Lesson 1
This lesson will present how if two segments from the same point outside a circle are tangent to a circle, then they are congruent. It is 1 of 5 in the series titled "Two Lines Tangent to a Circle."
Sophia Learning
Sophia: Using Triangles to Examine Quadrilaterals: Lesson 2
This lesson demonstrates how to determine properties of quadrilaterals by using triangles. It is 2 of 5 in the series titled "Using Triangles to Examine Quadrilaterals."
Sophia Learning
Sophia: Using Triangles to Examine Quadrilaterals: Lesson 4
This lesson demonstrates how to determine properties of quadrilaterals by using triangles. It is 4 of 5 in the series titled "Using Triangles to Examine Quadrilaterals."
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 2
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 2 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 3
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 3 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 4
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 4 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."