Activity
BBC

Bbc: Bitesize: Ks2: Maths: Shape, Space, and Measurement

For Students 3rd - 5th
Interactive lessons featuring 2-D and 3-D shapes, angles, time, and symmetry. For each section, play a learning game, read a lesson that includes comprehensive vocabulary, and take a quiz to find out what you've learned.
Unknown Type
Khan Academy

Khan Academy: Practice: Classify Shapes by Line and Angle Types

For Students 4th
Look at the properties of 2D shapes to see which shapes can belong to the same group. Includes hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Inscribed Angles in Circles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply inscribed angle theorems.
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Angle Measure and Plane Figures

For Students 4th Standards
A guide to support parents as they work with their students in angle measure and plane figures.
Unknown Type
Khan Academy

Khan Academy: Classify Shapes by Line and Angle Types

For Students 3rd - 5th Standards
Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PPT
Sophia Learning

Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 1

For Students 9th - 10th
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 1 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."
Graphic
History is Fun

Jan Brett: Geometric Shapes Flashcards Pdf

For Students Pre-K - 1st Standards
Print out these colorfully illustrated PDF file pages to practice learning your basic two dimensional geometric shapes. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...
Lesson Plan
ArtsNow

Arts Now Learning: Performing Perimeter [Pdf]

For Teachers 3rd Standards
In this lesson, 3rd graders calculate the perimeter of various geometric shapes and represent the perimeter with a movement phrase. They will identify the types of angles within each shape. Other students will identify the shape that was...
Activity
University of Cambridge

University of Cambridge: Maths and Sports: National Flags

For Students K - 1st
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.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: World of Fish: Space

For Students 4th - 6th
Join Otto at the Phantasia construction site. Will you help him build a new playground?