In this math video we will be reasoning with ratios for a recipe. We will be provided with 3 ingredients to a cookie recipe and we will be asked to identify ratios of ingredients where we either double, triple, or possibly halve the...

Group texts are like emails where each person does a "reply-all" to every message. This video considers organizing a dinner with N friends and compares sending individual texts to each person versus sending a group text. We show that...

I didn't solve this problem myself, but I felt better when I learned WolframAlpha couldn't solve it either! But there is a way to solve it using careful mathematical reasoning. Thanks to Luka Khizambareli from Georgia for suggesting this...

Mr. Brian McLogan wanted to become a math teacher because he knew he could make a difference in others lives. He set out after high school change the way that math education is taught, received and viewed. He believes that every child in...

In this math lesson, we’ll learn how to represent a percent of decrease as an algebraic expression using a real-world scenario — the depreciation of a computer over time.
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We’ll explore step-by-ste
p how...

In this video we are going to cover three easy factoring problems of quadratics where a is not equal to 1



⭐ 3 Medium Quadratics to Factor when a is not 1 -    • 3 Medium Quadratics to Factor wh
en a ...  
⭐ 3 Easy...

In this video we are going to cover three easy factoring problems of quadratics where a is not equal to 1



⭐ 3 Hard Factoring Problems when a is not 1 -    • 3 Hard Factoring Problems when a
 is n...  
⭐ 3 Medium...

In Sara’s school there are 5 classes in 4th grade ,class 1 has 19 students, class 2 has 21 students, class 3 has 23 students, class 4 has 20 students, and class 5 has 19 students. About how many fourth grade students are in the school...

In this video we are going to cover three medium factoring problems of quadratics where a is not equal to 1



⭐ 3 Easy Quadratics to Factor when a is not 1 -    • 3 Easy Quadratics to Factor when
 a is...  
⭐ 3 Hard...

New ReviewIn this video I will show you how to factor a quadratic in your head when a is not equal to 1

Research assignment: Teach me about spin. Below there are suggested questions, recommended sources and my social media accounts: QUESTIONS: Questions that require less research: 1. This is our first real example of quantization, the...

👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...

This is a video tutorial on how to solve a cooking problem involving fractional ratios. The teacher uses a tape diagram to explain how to find the amount of blueberries and strawberries needed for the whole recipe based on the given...

Ask a friend to select a secret number. Tell them to multiply the number by 9. Let them cross out one of the digits (except 0), and then add up the remaining digits. You can guess which number was crossed out every time! Here is why....

Something heavy seems to be causing Uranus and Neptune to move in a different orbit than what we can currently account for with the celestial objects we know of. Is there a 9th planet? Does planet 9 exist? Is planet X...

Sasha is baking two different types of cookies. The recipe for chocolate chip cookies requires three and one third cups of flour, while the recipe for the sugar cookies requires two and three fourths cups of flour. How much flour will...

This video provides a clear explanation of three special cases of powers in mathematics- anything to the power of 1, anything to the power of 0, and 1 to the power of anything. The video discusses the properties of these powers, and how...

👉 Learn the basics to graphing sine and cosine functions. The sine graph is a sinusiodal graph with x-intercepts at x = 2n*pi, maximun value of 1 at x = pi/2 + 2n*pi and minimum value of -1 at x = -pi/2 + 2n*pi. The cosine graph is a...

In this Grade 7 math video, we will use a bar diagram to solve a real-world percent problem. We are told that 2/3 of the beads in a jar are one color, and the remaining 1/3 are a second color. The task is to determine what percent of...

Eight renowned researchers provide real-world examples of the relevance of Theory of Knowledge (TOK) concepts in their research. This interdisciplinary TOK Sampler emphasizes the vital role our past experiences play in shaping...

👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...

Reasoning with Equations and Inequalities
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Represent And Solve Equations And Inequalities Gr
a
phically

HS.A-REI.D.11 Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y =...

In this we will work on writing a product a division problem and then applying synthentic division to identify the quotient.



⭐️ Mistake Students Make With Synthetic Division -...

Series | Telescoping Series Example