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Curated Video
A 16 Year Old Discovered This AMAZING Geometry Hidden Pattern. Pascal's Theorem
Pascal discovered this amazing geometry result when he was only 16. The book "The Art of the Infinite" by Robert Kaplan and Ellen Kaplan has a wonderful introduction to projective geometry and a proof this this theorem. Proof of Pascal's...
KnowMo
Introduction to Common Sequences: Triangular, Square, and Cube Numbers
The video introduces viewers to three common types of sequences: triangular numbers, square numbers, and cube numbers. The presenter explains how each of these sequences is derived from specific geometric patterns and provides examples...
Curated Video
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser
In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an...
Curated Video
Checking understanding of expressions and equations
Pupil outcome: I can generalise a situation using words to express what is happening. Key learning points: - Linear sequences can be generated from a rule. - Linear sequences that follow a rule can be described in words. - Changing one...
Curated OER
Recognizing Patterns
Are you looking for a quick "hook" for your lesson? After watching this video about recognizing patterns, your students will be ready to try out their own ABAB patterns.
Khan Academy
Vi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II
Challenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can intuitively explain why this law fairly accurately...
Khan Academy
Vi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II
Challenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can give an intuitive reason why this law fairly...
Khan Academy
More Examples of Factoring Quadratics with a Leading Coefficient of 1, Algebra II
Focusing on the intuitive nature of algebra and factoring, Sal demonstrates how to factor quadratic equations efficiently. This video would be great to show in class after a lecture on quadratics or to assign in a computer lab (or...
Khan Academy
Complex Determinant Example, Imaginary and Complex Numbers, Precalculus
Sal solves a complex determinant problem from the 2010 IIT entrance test. Knowledge of determinants, the exponential form of complex numbers, trigonometric ratios, and algebraic thinking are all utilized here.
Curated OER
Finding the 100th Term in a Sequence
The example problem is this video has a sequence of numbers that decrease by a fixed amount with each iteration, and one needs to find the 100th number in the sequence. Sal shows the listener how to find the pattern between the number...
Curated OER
How Do You Determine if a Sequence is Arithmetic or Geometric?
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which...
Curated OER
How Do You Find the Common Difference in a Sequence?
Briefly show your class or individual learners how to find the common difference in an arithmetic sequence. A quick and simple video, this resource should guide pupils toward understanding the concept of common difference. Appropriate...
Curated OER
How Do You Find the Common Difference in a Sequence?
Briefly show your class or individual learners how to find the common difference in an arithmetic sequence. A quick and simple video, this resource should guide pupils toward understanding the concept of common difference. Appropriate...
Curated OER
How Do You Determine if a Sequence is Arithmetic or Geometric?
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which...
Curated OER
How Do You Solve a Word Problem Using an Exponential Function?
In six days Tina gets exponentially better at the number of times she can jump rope. Let's create an equation and see how many times Tina can jump rope on the sixth day. First identify the variables. Next make a table, then plug in the...
Crash Course
The Binomial Distribution: Crash Course Statistics #15
And here I was thinking binomials were about algebra. The 15th installment of the Crash Course Statistics series focuses on the binomial distribution. It starts off with an example calculating the probability of getting shocked while...
Loyola University Chicago
Math Flix: Patterns the King's Chessboard 3 Activity
This QuickTime movie extends the concept of doubling based on the book "The King's Chessboard" using an activity sheet. Just click below the video on the hyperlink "The King's Chessboard. Some of the data is organize in a table. See if...
Loyola University Chicago
Math Flix: Number Patterns 1
This QuickTime movie provides an opportunity to identify number patterns in a number sequence. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Patterns the King's Chessboard 1
This part 1 of a QuickTime movie extends the concept of doubling based on the book "The King's Chessboard". The doubled numbers are also shown using exponents. The data is organized in a table. As you watch and listen to the teacher and...
Loyola University Chicago
Math Flix: Patterns: Exponential Relationships 2
This part 2 of a QuickTime movie describes an exponential relationship in a real world setting and the stunning growth over time. The data is organized in a table. As you watch and listen to the teacher and students interact it helps...
Loyola University Chicago
Math Flix: Patterns: Exponential Relationships 1
This part 1 of a QuickTime movie compares both exponential and arithmetic relationships in a real world setting. The data for both is organize in a table. As you watch and listen to the teacher and students interact it helps clarify the...
Loyola University Chicago
Math Flix: Patterns the King's Chessboard 2
This part 2 of a QuickTime movie extends the concept of doubling based on the book "The King's Chessboard". The data is organize in a table that also shows the total each day from all the previous days. As you watch and listen to the...
Loyola University Chicago
Math Flix: Graphing a Number Sequence
This video provides an opportunity to identify a number pattern. Then organize that data in a data table and graph it. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this...