Cisco
Episode 1.3: The Solution
How can the people of Malawi get the fresh drinking water they need? The third episode in a seven-part series shows the Global Problem Solvers as they put their heads together and use technology to upgrade the country's system of wells....
Cisco
Episode 1.2: The Problem
Where have all the schoolgirls in Malawi gone? Teen leaders solve a mystery and investigate a problem in episode two in the seven-part first series of Global Problem Solvers. After finding the missing girls at a far-away well, the group...
Mathispower4u
Write a Linear Equation in One Variable App: Depreciation
Unfortunately, most items lose value over time. The lesson presentation shows how to model this depreciation with a linear expression. After writing the expression, the instructor demonstrates how to use it to predict the time it takes...
Mathispower4u
Write a Linear Equation in One Variable App: Increase in Value
Surprisingly, many real-life situations follow a linear pattern. For example, a home may appreciate at a constant rate each year as in the video lesson. The instructor models how to create a table, write an equation, and make a...
Mathispower4u
Writing Expressions to Solve a Linear Equation App: Coins
Your classes will be cashing in on this lesson! A well-designed lesson describes the steps of solving for the number of two different coin types given specific information. Although some may write equations using two variables, the...
Mathispower4u
Writing Expressions to Solve a Linear Equation App: Stamps
Learners build skills for writing and solving equations with a video that describes the process for writing expressions and then an equation to solve a problem. The problem asks for the number of nickels and dimes needed given a set of...
Bozeman Science
ETS1C - Optimizing the Design Solutions
Engineering design makes the things we use every day possible. The video lesson highlights the criteria approach to optimizing a design solution. The narrator explains a sliding scale method to arriving at the best solution.
Bozeman Science
ETS1A - Defining and Delimiting an Engineering Problem
Explore the meaning of an engineering problem-solving process. By defining specific world problems, the narrator emphasizes the importance of engineering in our world. He outlines the engineering process and connects the information to a...
PBS
Infinite Chess
Imagine an infinitely-large chess board with an infinite number of pieces. Pupils learn about infinite chess and how it is a determined game, in that there is always a winning strategy. The video first applies Zermelo's Theorem to show...
Mathematics Assessment Project
Modeling Motion: Rolling Cups
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...
TED-Ed
Can You Solve the Counterfeit Coin Riddle?
Math enthusiasts and riddle gurus are sure to love a mind-bending puzzle involving a king, a scale, and a counterfeit coin. Middle and high schoolers work through a video that describes a mathematician's challenge to find a false coin in...
TED-Ed
Can You Solve the River Crossing Riddle?
Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...
Krista King Math
Age Word Problems as a System of Two Equations
Utilize linear systems to solve age-related word problems. The video tutorial shows how to write and solve a linear system from a set of given information. After solving the system, the instructor explains how to examine the solution for...
Krista King Math
Direct Variation
Viewers examine the properties of direct variation equations and use them to problem solve. The instructor describes the concept of direct variation and then applies the formula to a word problem. She shows the relationship between the...
Krista King Math
Ratio and Proportion, Word problems
Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work...
Krista King Math
Finding Perimeter Using the Pythagorean Theorem
What would right triangles be without the Pythagorean Theorem? Here learners see how to apply the Pythagorean Theorem to finding missing sides of triangles. The examples include both right and non-right triangles.
TED-Ed
Can You Solve the Locker Riddle?
Your rich uncle just died and left all of his money to you. However, your evil relatives want some of the prize. Luckily, your uncle taught you everything you need to know about riddles, and has hidden his money. Can you solve...
Crash Course Kids
Bowled Over - Isolating Variables
Through a captivating game of bowling and Slingshot Catbot, this video gives future engineers insight into the testing solutions part of the engineering process. It includes setting rules, isolating variables, and checking to see if...
Crash Course Kids
Defining a Problem
Scholars may think they face big problems, but not like the problems engineers face. During this episode, the first step of the engineering process, define the process, is examined through a hypothetical scenario that...
Crash Course Kids
Engineering Games
Engineering is like a big game! Yes, you read that correctly. In this video, the engineering process is examined with a focus on defining variables, and ways to discover the one variable that affects the outcome of a solution....
Crash Course Kids
A Case of "What-Ifs"
Do your pupils ever get the case of the What-Ifs? If so, maybe they're meant to be an engineer. Engineers are encouraged to ask a lot of hypothetical questions! Find out why and what they do with their answers...
Crash Course Kids
Let's Fly!
Engineers think up multiple solutions to the problems they face, but how do they find the best solution? In this video, examine the process engineers take to discover the most appropriate choice to solve problems, and revisit the...
Crash Course Kids
Got Some Solutions?
Does a problem only have one solution? This is the driving question of a video that allows pupils to discover that there is more than one way to solve a problem. A demonstration examines the checklist engineers...
Crash Course Kids
Defining Success
The telephone, refrigerator, and light bulb are all solutions to a problem that an engineer successfully designed. Get to know more about how engineers define success, using this video. The focus goes through a checklist that...