Math Fortress
Calculus III: Two Dimensional Vectors (Level 11 of 13)
This video is a review of Two Dimensional Vectors. This video goes over applications of vectors. 3 examples are covered illustrating how to find the resultant force.
Curated Video
Introduction to Radian Measure: Measuring Angles Beyond Degrees
In this video lesson, students will learn about measuring angles in radians. They will understand that the radian measure of an angle is found by dividing the arc length by the radius of a circle. The video explains the concept of...
Curated Video
Door Opening (Identify measurements of special types of angles (e.g. right angles, straight angles, zero angles, acute and obtuse angles))
What does the shape between the door and its edge remind you of?
Curated Video
Angles and Degrees
Understand that angles can be measured by degrees and that a one-degree angle is 1 part out of 360 of a circle.
Curated Video
The Intersection (Solve addition and subtraction problems to find unknown angles on a diagram in real-world and mathematical problems)
Main and commercial streets intersect at a 120 degrees angle. If broadways is another street that is between them and it is perpendicular to Main street. What is the angle between Broadway and commercial streets?
KnowMo
Measuring Angles: Types, Classification, and Using a Protractor
This video is a tutorial on measuring angles using a protractor. The presenter begins by explaining the different types of angles, such as acute, right, obtuse, straight, reflex, and full turn, and provides visual examples for each....
Curated Video
How to Measure Using a Protractor- Doodles and Digits
Do your fourth-grade math students need to learn how to measure an angle using a protractor? This educational kids math video shows upper elementary math students how to use a protractor! This educational geometry video is a great...
Curated Video
Using a Protractor to Measure Angles
Measure angles in whole-number degrees using a protractor.
Math Fortress
Geometry: Measurement of Angles (Level 1 of 9)
In this video we will review how to name angles, we will then go over how to measure angles.
Khan Academy
SAT Prep: Test 6 Section 9 Part 1
Word problems on the SAT can be some of the trickier questions. In this practice session from page 743 in The Official SAT Study Guide, Sal demonstrates how to read word problems as algebraic expressions, writing the necessary equation...
Khan Academy
SAT Prep: Test 5 Section 7 Part 5
Geometry problems on the SAT are often the most difficult for students to solve, let alone master. Focusing on several geometry-related skills (as well a few algebra problems), Sal makes this lesson a valuable resource for viewers who...
Khan Academy
SAT Prep: Test 5 Section 7 Part 2
Sal teaches the importance of careful reading and canceling out all possible units as he solves problems 6-9 on the practice SAT. Students who have a hard time deciphering word problems would benefit from this video. Sal's annotation and...
Curated OER
Measuring Instruments for Physics-PROTRACTOR
For measuring angles, use a protractor. Using this tool accurately is a valuable skill for your physics stars. This brief video clip can be used to teach your class how to measure correctly.
Khan Academy
Khan Academy: Geometry: Measuring Angles in Degrees
Explains how to measure an angle in degrees using a protractor. Defines acute, right, and obtuse angles. Practice problems available. [8:22]
Khan Academy
Khan Academy: Angles: Using a Protractor
Shows how to use a protractor to measure an angle. Identifies different types of angles: acute, obtuse, right.
Khan Academy
Khan Academy: Decomposing an Angle
Video explores how to find the measure of angles by adding or subtracting. [1:42]
Khan Academy
Khan Academy: Decomposing Angles
Video lesson explains how to find the measure of an angle using addition. [3:04]
Loyola University Chicago
Math Flix: Exploring Angles Using a Clock
This QuickTime movie provides an opportunity to learn about different types of angles using a clock. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.