PBS
Career Connections | Construction Manager
Don a hard hat and grab an iPad; both are essential tools for construction managers. A short video details the education, skills, and tools required for those interested in a career in this fast-growing field.
PBS
Proportional Scaling
It is not as simple as scaling. MIT researchers explain that a micro engine cannot just be a proportional scaling of a working larger engine. The Math at the Core: Ratios resource compares the proportions involved with the surface area...
Corbett Maths
Vertically Opposite Angles
How can opposites be equal? Pupils learn about the measures of angles when two lines intersect by watching an educational video. They see how vertical angles are congruent, and solve problems using this idea.
Corbett Maths
Angles in Quadrilaterals
Four angles hath quadrilaterals, but what be their measures? After watching a video, young mathematicians consider the interior angles of quadrilaterals. They see how to find missing angle measures using the properties of quadrilaterals.
Corbett Maths
Parallel Lines – Angles
Is there a resource that parallels the video? Scholars view a short video to review the types of angle relationships that exist when a transversal cuts two parallel lines. They watch as the narrator solves several problems involving...
Mathispower4u
Write Expressions and Determine the Measure of Complementary Angles (Example)
Investigate algebraic applications of complementary angles. Young scholars watch as the instructor describes and defines complementary angles. He then shows an example of finding an unknown value of x given expressions for a pair of...
Mathispower4u
Write Expressions for Complementary Angles and Supplementary Angles (Basic) (Example)
A straightforward lesson explains the meaning of complementary and supplementary angles. The instructor uses both an algebraic representation and a numeric example to describe each angle pair.
CK-12 Foundation
Vertical Angles: Lesson
Define angles across from each other. An informative segment from a larger playlist on geometry introduces vertical angles and shows they have equal measures. Using their properties, the presenter solves problems involving vertical angles.
CK-12 Foundation
Supplementary Angles: Lesson
Supplement your knowledge of angles. Part of a playlist exploring geometry concepts, an interesting video introduces the definition of supplementary angles. Using the definition, the presentation shows how to find the supplement to a...
CK-12 Foundation
Linear Pairs: Lesson
Place angles in a line. Part of a playlist on basic geometry, an informative video teaches pupils the definition of a linear pair and how to identify them. Using their properties, the resource demonstrates how to solve problems involving...
CK-12 Foundation
Complementary Angles: Lesson
Complement the angle definition. The resource, a video within a basic geometry playlist, introduces the definition of complementary angles. Using the definition, the presentation finds complements of given angles.
Corbett Maths
Angles in a Triangle
The third angle's the charm. Viewers of a short video learn how to find the measure of the missing angle in a triangle. It uses an arithmetic process rather than an algebraic one, so younger learners have no trouble understanding the...
Corbett Maths
Angles: Straight Line
Supplement your geometry work with a straight-to-the-point video. A two-minute video reviews how to find the missing angle measure of a pair of supplementary angles given one of the measures. It works through a few examples of the...
Corbett Maths
Angles: Right Angle
The right measure is often hard to find. Given a diagram of two angles that make up a right angle and one of their measures, scholars learn how to find the other angle measure. They watch a video that explains the process and covers a...
Khan Academy
Khan Academy: Geometry: Problem Involving Angle Derived From Square and Circle
Demonstrates how to solve a challenging geometry problem about finding the measure of an angle that is formed by different segments in a square which intersect with part of a circle. Solution depends on creating triangles in the diagram...
Khan Academy
Khan Academy: Geometry: Angle Game (Part 2)
Solving for unknown angle measures using knowledge of different angle relationships and the triangle sum theorem. Continuation of Angle Game video. [9:49]
Khan Academy
Khan Academy: Geometry: The Angle Game
Solving for unknown angle measures using knowledge of different angle relationships and the triangle sum theorem. [9:01]
Khan Academy
Khan Academy: Geometry: Proof Vertical Angles Are Equal
Proof that the measures of vertical angles are equal based on properties of supplementary angles. [4:51]
Khan Academy
Khan Academy: Geometry: Angles at the Intersection of Two Lines
Explains how to determine the measures of angles formed by interecting lines when given the measure of one angle. [7:19]
Math Mammoth
Math Mammoth: Angle Relationships and Unknown Angle Problems
Explains what supplementary and vertical angles are and demonstrates how to solve some problems with angles and intersecting lines. [8:21]
Khan Academy
Khan Academy: Geometry: Identifying Complementary and Supplementary Angles
Shows how to identify complementary and supplementary angles in a diagram. [2:36]
Khan Academy
Khan Academy: Angles: Identifying Complementary and Supplementary Angles
Identifying Complementary and Supplementary Angles
Khan Academy
Khan Academy: Geometry: Finding Missing Angles
Shows how to find the measure of missing angles based on the measure of a straight angle. [1:41]
Khan Academy
Khan Academy: Angles: Finding Missing Angles
Shows how to find the measure of missing angles based on the measure of a straight angle.