CK-12 Foundation
Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
E-learning for Kids
E Learning for Kids: Math: Castle in the Clouds: Space: 2 D Shapes and Symmetry
Students will explore symmetry through a variety of learning games.
Better Lesson
Better Lesson: Tree Mapping in 2 D
Identifying 2D shapes in common objects and sorting according to shapes connects the real world to learning shape names and attributes.
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Shapes and Patterns
On this interactive site, students learn to identify squares, circles, and triangles.
ArtsNow
Arts Now Learning: Self Portraits With the Touch of a Finger [Pdf]
In this lesson, students will explore self-portraiture by looking at classical portrait paintings, such as Diego Velazquez's La Infanta Margarita or Raphael's Portrait of Baldassare Castiglione. A close look at these works reveals...
University of Cambridge
University of Cambridge: Maths and Sports: National Flags
During the Olympic and Paralympic Games many national flags will be on display. This activity explores 2D shapes, angles and symmetries in the context of flag designs, and is designed to be accessible to primary pupils at Key Stage 2.
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Tessellations: Hexagon Tessellation
[Free Registration/Login Required] Students determine whether a hexagon can tessellate or not. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Tessellations: Tessellating Squares
[Free Registration/Login Required] Students determine if squares can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Tessellations: Triangle Tessellation
[Free Registration/Login Required] Students will explore tessellations and whether a polygon can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.4 Connections Between Two and Three Dimensions
Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.
CK-12 Foundation
Ck 12: Elem Math: Completing the Whole Pictures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on how to complete a whole picture with some missing parts.
National Council of Teachers of Mathematics
Nctm: Figure This: Fire Hydrant
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.
Khan Academy
Khan Academy: Interpreting Scale Drawings
Students practice interpreting scale models, receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Extend Numerical Patterns
[Free Registration/Login may be required to access all resource tools.] Extend numerical patterns by identifying and following rules
University of Regina (Canada)
University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
Other
Bright Hub Education: Two Dimensional Art Activities
You don't have to be a trained artist to create beautiful two and three-dimensional art projects with your preschoolers. Many simple activities, such as painting and coloring, can be modified to include sensory elements to increase...
ClassFlow
Class Flow: Solid and Plane Figures
[Free Registration/Login Required] Students will learn the 6 solid figures and characteristics, including face, edge, and vertices. Students will learn the plane figures when looking at the solid figures. Students will then take a 10...
Purple Math
Purplemath: Geometry Word Problems: Introduction
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
University of Cambridge
University of Cambridge: Maths and Sports: Sports Equipment
Sports such as hockey, football, basketball and tennis use balls of different sizes. Can you arrange a selection of different balls in a line each touching the next to make the shortest line? This activity offers opportunities for...
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Recortando Geometria
In Spanish. In this site you will find different activities involving geometric plane figures.
Khan Academy
Khan Academy: Nets of Polyhedra
Practice matching 2D nets to the 3D shapes the fold up into. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.