Curated Video
Create and Graph Relationships with Linear Functions
Learn how to create and graph relationships using linear functions. The example used is about a photography business, where the teacher guides the students through the process of graphing the relationship between profit and the number of...
Curated Video
Mental Math Subtraction (Example)
Compute differences mentally using the subtraction rules.
Kids Academy
Mental Math Strategies and Activities for Kids | Kids Academy
Welcome our new video: Mental Math Strategies and Activities for Kids | Kids Academy Math strategies and activities for kids are the healthiest activities for kids and their brains. The more they work with math the sharper their minds...
Curated Video
One-Step Equations using Addition and Subtraction
Do you need a quick refresher on how to solve one-step equations using addition and subtraction? Then this video is for you! I will show you the step-by-step process for solving equations by walking you through several examples using...
SciShow Kids
Watch Soap Grow!
Jessi and Squeaks just did a really cool and easy experiment: they put a special kind of soap in the microwave and made it grow! Now they want to do it again to check their results and figure out how it happened!
Kids Academy
Pirate Subtraction for Grade 1 - Addition and Subtraction Worksheets | Kids Academy
Pirate Subtraction for Grade 1 - Addition and Subtraction Worksheets | Kids Academy Let’s learn to count coins with this engaging video from Kids Academy! A real teacher will review coin value with your child, helping him or her recall...
Curated Video
4 Methods To Subtract Numbers (Common Core Subtraction)
What's the best way to subtract numbers? The answer: any way that works. Here are 4 methods that can help you tackle subtraction problems easily. If you like my videos, you can support me at Patreon:...
Curated Video
Mental Addition and Subtraction with Hundreds Charts
In this video, the teacher explains how to mentally add or subtract 10 to a number using a hundreds chart. The charts are used to visualize the addition or subtraction process, making it easier to understand and solve the problems mentally.
Brian McLogan
Factoring using difference of two squares
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Factoring practice - Learn how to factor - Step by step math instruction
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
The March of Time
FBI Crime Detection
MOT 1942: U.S. F.B.I. BUILDING: CRIME DETECTION: MS Hands handling microfilm w/ tweezers. MS Cryptographers at table. MS Coded primer paper over message. MS Agent looking into microscope. VS Hands adjusting piston chisel. MS Agent at...
KnowMo
Factorizing Quadratics with Non-Unit Leading Coefficient
The video is a lecture presentation on how to factorize quadratic equations where the coefficient of X squared is not equal to 1. The speaker explains the step-by-step process of factoring out the common coefficient, putting it into...
Curated Video
How to Partition a Number
This video explains how to partition numbers. This is an extremely important skill for both children and adults to have. It can greatly assist with mental arithmetic and being able to manipulate numbers. We cover addition and subtraction...
Brian McLogan
3 Average Rational Expressions Add and Subtract
In this video we will focus on adding and subtracting rational expressions by first simplifying our denominators to obtain the LCD. 00:00 Intro 00:50 - Find the common denominator with fractions (add fractions) 04:02 - Mental process for...
Brian McLogan
How do You Factor a Quadratic When a is not One
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Factoring a trinomial 3x^2 - 16x + 5
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Solve by factoring when a is greater than one
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Brian McLogan
Factoring out a GCF then the trinomial
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Wonderscape
Science Kids: The Adorable World of Pandas
This video provides a comprehensive look at pandas, explaining why they are considered adorable and discussing their physical features, behavior, and habitat. It also covers their life cycle and the conservation efforts that have helped...
Curated Video
VERY HARD Puzzle: What Is The Distance Between Two Random Points In A Square?
What is the average distance between two randomly chosen points in a square with a side length 1? The video presents how to estimate the answer and also derives the exact answer using integrals. Per suggestions in the comments, I have...
Curated Video
Can You Solve The Diluted Wine Puzzle?
A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted...
Curated Video
HARD Logic Puzzle - The Seemingly Impossible Counterfeit Coin Problem
An evil warden holds you prisoner, but offers you a chance to earn your freedom. You are given 101 coins, of which 51 are genuine and 50 are counterfeit. Each genuine coin is identical. And each counterfeit coin is identical to a genuine...
Curated Video
Inscribed Circle and Square Puzzle
This is a fun little geometry problem inspired by a suggestion from Yossi Rozhenko. If the red area equals the blue area, what is the value of: (large circle's radius)/(small circle's radius)? Small correction: At 3:07 I should have said...