Basic Geometric ShapesGrade: K  3 Learn about basic geometric shapes. 4:30 

2D ShapesGrade: K  3 The math lesson explains the names and properties of 2D shapes in the form of a game. 6:25 

What are 2D Shapes?Grade: K  3 A tutorial on 2D shape names and properties. 6:30 

Properties of 2D ShapesGrade: 1  5 Learn about names and properties of triangles and quadrilaterals. 7:20 

3D Shapes  Faces, Edges and VerticesGrade: 1  5 The math lesson explains the faces, edges and vertices that we find on a cube, rectangular prism, sphere, pyramid, cylinder and cone. 8:45 

3 Dimensional ShapesGrade: 1  5 Learn about 3D shapes and their attributes. 7:05 

Points, Lines and PlanesGrade: 3  8 Math lesson on basic geometry concepts of points, lines and planes. 7:55 

What are Angles?Grade: 3  8 Learn what are angles, different types of angles and their properties. 7:45 

Angles and DegreesGrade: 3  8 A tutorial on how to measure angles. 9:15 

Angle  BasicsGrade: 3  8 The lesson explains what makes an angle, different type of angles and how to measure them. 6:50 

Types of AnglesGrade: 3  8 Learn about the four types of angles  acute, obtuse, right, and straight. 4:35 

What are Polygons?Grade: 3  8 Learn what are polygons, different types of polygons and their properties. 7:25 

What are Quadrilaterals?Grade: 3  8 Learn what are quadrilaterals, different types of quadrilaterals and their properties. 9:50 

What are Triangles?Grade: 3  8 Learn what are triangles, different types of triangles and their properties. 7:40 

What is the Perimeter of a Shape?Grade: 3  8 Find out what is the perimeter of a given shape and how to measure it. 7:30 

Introduction to PerimeterGrade: 3  8 A quick introduction to perimeter. 3:20 

Find Perimeter of Any ShapeGrade: 3  8 The video explains how to find the perimeter of a square, of a triangle, of a rectangle, or any shape with step by step examples. 3:30 

What is the Area of a Shape?Grade: 3  8 Learn what is the area of a shape and how to measure it. 6:25 

Perimeter and Area of a NonStandard PolygonGrade: 3  8 The tutorial explains how to find the perimeter and area of a nonstandard polygon with examples. 3:00 

Introduction to CirclesGrade: 3  8 Learn about circles and their features including radius, diameter, chord, secant, tangent and intersecting circles. 5:00 

Circles and PIGrade: 3  8 Learn about circles and the special number 'PI'. 8:00 

Circles  Circumference and AreaGrade: 3  8 The math lesson explains the formulas for calculating the circumference and area of a circle. 7:55 
