Educaplus (Jesús Peñas Cano)
Educaplus: Medida De Angulos [In Spanish]
Practice measuring angles with the protractor with this interactive activity.
E-learning for Kids
E Learning for Kids: Math: Pizza (Italian) Restaurant: Angles I
In this interactive website, students practice various math skills such as identifying different types of angles, use the degree symbol, estimate and measure angles, and construct angles.
Homeschool Math
Homeschool Math: Parallel and Perpendicular Lines
This lesson explains what are parallel and perpendicular lines and includes varied exercises and a video that shows how to draw a perpendicular line and a rectangle using a protractor or a triangular ruler.
Smithsonian Institution
National Museum of American History: Slates, Slide Rules and Software
Did you learn to calculate using a 7-foot-long slide rule? Did you learn about the properties of numbers using brightly colored Cuisenaire rods? Ever wonder who invented the graph paper you used in geometry class? Go back to the...
Math Playground
Math Playground: Measuring Angles
Practice measuring angles by manipulating a protractor.
Beacon Learning Center
Beacon Learning Center: Anglemania!
Students explore four types of angles in this interactive web lesson.
Math Open Reference
Math Open Reference: Angles
Everything you wanted to know about angles and more, including 1) how to measure angles 2) types of angles 3) angle relationships and 4) angles around a transversal.
Mangahigh
Mangahigh: Shape: Construct Triangles
Test your knowledge of using a protractor to construct triangles.
Khan Academy
Khan Academy: Draw Angles
Use a protractor to construct angles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
OER Commons
Oer Commons: Characteristics of Parallelograms
In this instructional activity, students learn more about the characteristics of parallelograms by folding paper and measuring the angles in a parallelogram. Students use a ruler and protractor to draw parallelograms with given...
Other
The Math Learning Center: Pattern Shapes
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
E-learning for Kids
E Learning for Kids: Math: Riksjas, Toek Toek: Angles
Students will play interactive games to identify types of angles and measure the angles.
Math.com
Math.com: Building Blocks: Classifying Angles
This geometry resource investigates types of angles. Definitions, detailed examples, and practice problems are included.
Mr. Martini's Classroom
Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
Purple Math
Purplemath: Greek Letters and Their Names
When you are working with geometry and trigonometry, you will see a lot of Greek letters. It will be helpful to know how the names of these letters are spelled and pronounced.
ClassFlow
Class Flow: Angle Measurement
[Free Registration/Login Required] This flipchart uses the protractor tool to understand the classification and naming of angles: acute, obtuse and right.
ClassFlow
Class Flow: Introducing Angles
[Free Registration/Login Required] Students learn the difference between obtuse, acute and reflex angles and then use the protractor to measure various angles.
Fundación Cientec
Cientec: Herramienta Triangular Para Medir Ingulos:transportador
How to measure angles by using a piece of a square paper. Step by step instructions are provided.
ClassFlow
Class Flow: Area Flash Cards
[Free Registration/Login Required] This flipchart identifies student's prior knowledge of different shapes and their area by using flash cards. This lesson was intended for grade level 6-8 or lower. A quick warm-up as you launch into...
ClassFlow
Class Flow: Complementary Angles
[Free Registration/Login Required] Using a variety of Activstudio tools, students investigate complementary and supplementary angles.
Disfruta Las Matematicas
Disfruta Las Matematicas: Geometria
This unit could be used as supplementary material for Geometry. It has good examples with illustrations and some interactive activities.
TeachEngineering
Teach Engineering: Topo Triangulation
In this activity, students will learn how to read a topographical map and how to triangulate with just a map. True triangulation requires both a map and compass, but to simplify the activity and make it possible indoors, the compass...
University of Texas at Austin
The University of Texas Mc Donald Observatory: Delta, Delta, Delta
Middle schoolers learn abouT the Law of Reflection by constructing an equilateral triangle using graph paper, pencil, protractor, and a ruler and a "laser triangle" using a laser pointer and front-silvered mirrors.
Soft Schools
Soft Schools: Measurement Quiz
This online quiz is multiple choice and consists of ten questions, some of which are word problems. The quiz concentrates on unit measurements and conversions, abbreviations, and angle measurements with the use of a protractor, and a...
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