Curated Video
Write an Equation for a Real World Situation
In this video, the teacher explains how to write a real-world equation to represent a situation involving the cost of kites and spools of kite string at a toy store. The teacher breaks down the problem, highlighting important information...
Curated Video
How to Identify an Increasing Linear Function
In this video, the teacher explains how to identify an increasing linear function from a set of graphs. They define what a linear function is and rule out graphs that do not meet the criteria. Then, they explain that an increasing linear...
Curated Video
Creating Equations of Parallel and Perpendicular Lines
In this video, the teacher explains how to write and create equations of lines using slope. They discuss parallel and perpendicular lines and provide examples and explanations for each concept. This video covers Algebra 1 Common Core...
Curated Video
How to Add Scientific Notation
In this video, the teacher explains how to add numbers in scientific notation. Using the example of the area of Europe and North America, the teacher demonstrates how to make the exponents of the powers of 10 the same in order to add the...
Curated Video
Comparing Range on Double Box Plots
In this video, the teacher explains how to find the difference in the range of data for two different stores using a double box plot. They define range as the difference between the minimum and maximum values in a dataset. This video...
Curated Video
6 Steps to Solve ANY Linear Equation
In this video, the teacher explains the six steps to solve any linear equation. They provide clear explanations and examples, guiding students through each step. The teacher emphasizes the importance of checking the solution and offers...
Curated Video
Solve and Create Linear Equations with Special Solutions
In this video, the teacher explains how to solve and create linear equations with different types of solutions. They provide step-by-step instructions and examples for finding solutions, proving infinite solutions, and determining the...
Curated Video
Mathematical Musings
Famed scientist and writer Freeman Dyson, Institute for Advanced Study, muses on Mathematical Platonism, choosing the analogy of Daniel Hillis' Songs of Eden to speculate that mathematics might have played a similar role for science that...
Curated Video
Knowing Through Physics
Quantum physicist Artur Ekert, University of Oxford and NUS, shares with us his favourite puzzle of how thinking like a mathematician can be contrasted with thinking like a physicist, demonstrating that in certain circumstances, more...
Curated Video
Constructing Segments and Angles
In this video, you will learn how to construct congruent line segments and congruent angles. To complete constructions in mathematics, you will need only two tools: a compass and a straightedge.
Curated Video
Adding Large Numbers - Multi-Digit Addition
In this video, we'll learn how to solve multi-digit addition problems using the standard algorithm addition method. This technique is commonly used in 4th and 5th-grade math classes and is essential for adding large numbers quickly and...
Curated Video
Carrying When Adding Large Numbers | Multi-digit Addition
In this video, we'll explore the concept of carrying numbers in addition and regrouping. This is a crucial math skill for students in 2nd, 3rd, and 4th grades as it helps them add larger numbers with ease and accuracy. Want the addition...
Curated Video
How to Borrow in Subtraction - Regrouping when Subtracting
In this video, we'll explore the concept of borrowing in subtraction and regrouping. This is a crucial math skill for students in 3rd, 4th, and 5th grades as it helps them subtract larger numbers with ease and accuracy. Check out the...
Curated Video
Multi-Digit Subtraction | Using the Standard Algorithm
In this video, we'll explore the standard algorithm for multi-digit subtraction. This is an essential math concept for 4th and 5th-grade students to master, as it allows for efficient and accurate subtraction of larger numbers. Check out...
Curated Video
Katherine Johnson: Trailblazing NASA Mathematician
At a time when American space exploration was dominated by men, mathematician Katherine Johnson broke through gender and racial barriers to help change our understanding of the cosmos forever.
Curated Video
The Untold Unbreakable Code
Native American Code Talkers used their own indigenous dialects to bamboozle enemy code breakers and help Allied forces to win two World Wars.
Learn French With Alexa
How to pronounce TH in French
Alexa teaches you how to pronounce "TH" in French.
Zach Star
The Most Unusual Ways Pi Shows Up In Mathematics | Can You Explain These?
The Most Unusual Ways Pi Shows Up In Mathematics | Can You Explain These?
Zach Star
The Mathematics of the Casino | What people get wrong about gambling
The Mathematics of the Casino | What people get wrong about gambling
Zach Star
Can you always pair an equal number of red and blue points with no intersection?
Can you always pair an equal number of red and blue points with no intersection?
Zach Star
The applications of hyperbolic trig | Why do we even care about these things?
The applications of hyperbolic trig | Why do we even care about these things?
Why U
Algebra 85 - Building Polynomial Functions
Because of the tremendous variety of shapes of their graphs, polynomial functions are important tools for modeling phenomena in a wide range of fields such as science, engineering, medicine and finance. But since polynomial functions are...