TED Talks
The hidden history found in your teeth | Carolyn Freiwald
Your teeth carry secrets: centuries of history about your ancestors, from where they lived to what they ate and where they traveled. Bioarchaeologist Carolyn Freiwald traces the story of human migration across the Americas -- from Mayan...
Curated Video
Solving Multistep Ratio and Percent Problems Using Proportions
In this video, the teacher explains how to solve multistep ratio and percent problems using proportions. They use examples of applying coupons and taxes to demonstrate the concept. The teacher also clarifies the misconception that the...
Curated Video
Solving Ratio and Percent Problems using Proportions
This video explains how to solve ratio and percent problems using proportions. It provides examples and demonstrates how to set up known ratios and use the multiplicative relationship within a proportion to find the unknown values. The...
Curated Video
Solving Percent Problems using Proportions
This video teaches students how to solve problems involving finding a percent of a number using a proportion model. It explains the concept of a proportion and how to find the scale factor. The video also provides an example problem...
Curated Video
Using Ratio Tables to Solve Problems
In this video, the teacher explains how to solve ratio problems using a ratio table. The example given is about determining the number of blue cars in a parking lot based on a given percentage. The teacher demonstrates how to fill out...
Curated Video
Find the Part When the Percent and Total Are Known
In this lesson, students will learn how to calculate the part of a whole when given a percentage and the total. By using a double number line, students can visually represent the ratio and solve the problem. This lesson emphasizes...
Curated Video
Percent Proportion: Finding Parts, Holes, and Percents
This video lesson will provide instruction on how to write and solve a percent proportion to find percents, parts or wholes. Proportional relationships will be reviewed, explained and connected to percents to solve multistep percent...
Curated Video
Solving Multi-Step Problems with Proportions and Equations
In this video, the teacher explains how to find the percent of a quantity using proportions and equations. They provide examples and step-by-step explanations to help students understand and solve multistep percent problems.
Visual Learning Systems
The Nature of Weather: Conduction, Convection, and Radiation
This video explores the daily condition of the Earth's atmosphere. The factors that influence the atmosphere and cause weather are discussed. Special emphasis is given to the global processes that generate weather patterns. Other...
Curated Video
Percent Increase: Fraction to Percent
Percent Increase: Fraction to Percent demonstrates solving percent increase problems by changing a fraction to a percent.
Brian McLogan
How to set up and solve as a proportion different problems with percents, 8% of 13
👉 Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...
Brian McLogan
Mixture problem
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
TED Talks
An innovative way to support children with special needs | Billy Samuel Mwape
After his son was diagnosed with cerebral palsy, Billy Samuel Mwape realized that his project management skills might be put to use to support his child's special needs. In this inspiring, personal talk, he describes how project...
Seven Dimensions
Understanding and Addressing Workplace Bullying
In this video, the speaker discusses the prevalence of bullying in both schools and workplaces. They explain that bullying can take different forms, including physical, verbal, and emotional, and emphasize the importance of recognizing...
Curated Video
Calculating a Percentage of a Whole Number: Solving 80% of 115
This video shows the process for solving the problem presented in SATs 2022 Paper 1 Q30, which involves calculating a percentage of a whole number. Students will learn how to partition a percent in order to make calculating the result a...
Curated Video
Calculating a Percentage of a Whole Number: Solving 2% of 3,000
This video shows the process for solving the problem presented in SATs 2022 Paper 1 Q28, which involves calculating a percentage of a whole number. Students will learn how to partition a percent in order to make calculating the result a...
Curated Video
Calculating a Percentage of a Whole Number: Solving 15% of 3,200
This video shows the process for solving the problem presented in SATs 2022 Paper 1 Q27, which involves calculating a percentage of a whole number. Students will learn how to partition a percent in order to make calculating the result a...
Science360
Changing ocean chemistry may threaten Antarctic food chain
For the first time, NSF-funded researchers at the University of California Santa Barbara have collected long-term evidence that links rising levels of carbon and changes in ocean chemistry in Antarctic waters to the inability of tiny...
Brian McLogan
Mixture problem
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Curated Video
Book Pages (Find a whole when given a percent and a part in word problems)
Jillian read 60 percent of a book. If she read 33 pages, how long is the book?
Curated Video
Part of a Percent
"Part of a Percent" models how to draw a double number line to calculate a part when given the percent and a total.
Ancient Lights Media
The Introduction to the Alternation of Generations
Plant Reproduction Set: 8. This clip explains how plants exist in two alternating forms: diploid sporophyte generation and a haploid gametophyte generation.
History Hit
A history of protest
In January 1968, the start of the Tet Offensive by North Vietnamese communist troops sent waves of anger and anguish across the home front and sparked the most intense period of anti-war protests seen in the ‘60s. By this time, anti-war...
Brian McLogan
How to write the percent of a number by using a proportion, 7% of 35
👉 Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...