PBS
With new book on political divisiveness, former GOP official rings an 'alarm bell'
Peter Wehner served in three Republican White Houses. Now, he's written a book about the current state of national political discourse. In “The Death of Politics,” Wehner analyzes the tone and rhetoric used by President Trump, and how...
SciShow
Estivation: How Mucus Saved My Life
Learn how some animals have adapted to survive in some of the hottest and driest environments in the world, by covering themselves in mucus and calling it good.
TED-Ed
TED-ED: A clever way to estimate enormous numbers - Michael Mitchell
Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: _How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the...
Curated Video
Estimate Approximations
New ReviewA video entitled "Estimate Approximations" that covers the process of approximating square root terms without the use of a calculator.
Curated Video
Multiply 1-digit numbers by decimal fractions using written methods
Pupil outcome: I can explain how to multiply 1-digit numbers by decimal fractions using written methods. Key learning points: - Use scaling to convert the decimal fraction to a whole number then multiply; use scaling to adjust the...
Curated Video
Estimate and multiply a 2-digit by a 1-digit number using expanded and short multiplication
Pupil outcome: I can use expanded and short multiplication to multiply 2-digit by 1-digit numbers. Key learning points: - Use times tables and place value to estimate the product of a 2-digit by a 1-digit multiplication. - Use expanded...
Curated Video
Divide decimal fractions by 1-digit numbers using written methods
Pupil outcome: I can explain how to use written methods to divide decimal fractions by 1-digit numbers. Key learning points: - Use scaling to convert the decimal fraction to a whole number; after dividing, use scaling to adjust the...
Curated Video
Explain how many '100s' and '200s', 1,000 is composed of
Pupil outcome: I can explain how many '100s' and '200s', 1,000 is composed of. Key learning points: - There are ten 100s in 1,000 - There are five 200s in 1,000 - Knowing how many 100s and 200s 1,000 is composed of helps to interpret...
Curated Video
Review using known facts and strategies to accurately and efficiently use and check column addition
Pupil outcome: I can use known facts and strategies to efficiently calculate and check column addition. Key learning points: - Look carefully at the numbers in a calculation. Is column addition the most efficient method to use to find...
Curated Video
Estimation: 4 Simple Steps to ALWAYS get it Right!
Estimation: 4 Simple Steps to ALWAYS get it Right! Simple and easy-to-follow steps to get it correct all the time!
Curated Video
Round to the nearest 10 and estimate the answer.
Learn how to round a number to the nearest TEN and provide the estimated answer.
Curated Video
How to Use Machine Learning in Project Estimating, Scheduling, and Planning
Machine learning is one form of Artificial Intelligence. And it is starting to be used in project estimating, scheduling, and planning. Machine learning is a generic term for programs that can use data to form their own rulesets and...
Curated Video
How to Estimate Project Costs: A Method for Cost Estimation
There are two reasons why cost estimation is important for project managers. First, it’s extremely hard to estimate project costs well. And second, poor cost estimates are often the biggest reason for a project budget over-run. And...
Curated Video
Rounding: Snails vs Rockets
How accurately should speed be denoted? Would you round a snail's speed to the nearest whole unit? Or give a rocket's speed to five decimal places? Why accuracy, rounding and significant figures are useful. Maths - Accuracy And Proof A...
Curated Video
What Does the Internet Weigh?
What is the combined weight of all of the information on the internet? Mathematicians must work with the smallest particles of the Web to find out. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Insuring the Titanic
Discover how insurance companies use probability to calculate insurance premiums, and what factors would have been considered when underwriters insured the Titanic. Maths - Statistics And Probability A Twig Math Film. Reinforce and...
Curated Video
The Wrong Guy Won
Why a seemingly random phone poll incorrectly predicted the outcome of the 1936 presidential race... because of a hidden bias. Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Tank Wars
How an unlikely algebraic equation outdid allied spying efforts at providing insight into Nazi tank production – and helped to win the war. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Counting Crowds
When measuring very large data sets, like the crowd of 1.8 million who attended Obama's inauguration, often exact counting is impossible. Find out how statisticians use density samples to estimate their statistics. Maths - Accuracy And...
Curated Video
From Counting Cans to Feeding Families: The Math of a Food Pantry
Join us on an exciting trip to People In Need food pantry in Delaware County, Ohio! We'll go behind the scenes to see how they use math every day to help families in their community. From counting items to ensure families receive the...
Curated Video
Getting Started with Scrum - Step 12: Estimate the Sprint Backlog Items
In this session, you will learn how to create the product backlog containing the items to be implemented.
Curated Video
What is Estimation?
This video covers the topic of estimation in maths; it explains what estimation is and what it is used for. Practice questions and answers are at the end of the video.
Curated Video
How to Deduce Project Resource Requirements
Your project won't get done by itself. And, if it's big, you can't do it all yourself. You need resources. But how many people (and how much material and equipment) do you need? I explain how to deduce Project resource requirements for...
Curated Video
Estimating
Mr. Addit demonstrates how to estimate by rounding up or rounding down. He then gives examples in which estimating helps solve a division problem.