Hot Education Posts
How To: Add Mixed Numbers Tutorial
This step by step video teaches how to add mixed numbers AKA mixed fractions easily!
How To: Convert a Mixed Number to an Improper Fraction Tutorial
This easy tutorial will show you how to convert a mised number into an improper fraction in a few easy steps.
How To: Divide Fractions Tutorial
An easy step by step video tutorial on dividing fractions.
How To: Multiply Fractions Easy Tutorial
In this step by step video I'll show you how to multiply fractions.
How To: Subtract Fractions with Unlike Denominators Step by Step
Learn how to subtract fractions with unlike denominators by watching this easy video tutorial.
How To: Subtract Fractions with Like Denominators
This easy video tutorial teaches how to subtract fractions with like denominators step by step.
How To: Add Fractions with Unlike Denominators Tutorial
This video tutorial teaches you step by step how to add fractions with unlike denominators.
How To: Add Fractions Tutorial
Learn how to add fractions with this easy step by step video.
How To: Make Your Own Salt Crystal
Video: .
How To: Make Edible Slime
A cool experiment for kids and parents that allows you to make edible Kool-Aid slime. The video attached gives the step-by-step process and shows how fun it is to create the final product.
News: Red Hot Nickel Ball vs Wheat - RHNB
Video: . It turns out you can make something that is pretty cool, Red Hot Nickel Ball RHNB-Wheat
How To: Solve Word Problems Involving Volume of a Pyramid
Learn how to solve geometry word problems. For example, how would you solve the following problem?
How To: Sugar & Sulfuric Acid — A Cool Chemical Reaction
Sulfuric acid is mixed with sugar, which is attacked by the acid. The final products are carbon, water vapor, and sulfur dioxide gas.
How To: Clean Copper Coins in One Minute
Video: . You Need just 2 Components:
How To: Use a Venn Diagram to Solve Probability Problems
Video covering how to set up a Venn diagram. The video covers how to draw the diagram and then look at a set of data and place the data in the correct part of the Venn diagram. The sample problem is as follows.
How To: Find the Height of a Trapezoid.
Step by step directions for finding the height of a trapezoid. Video: .
How To: Find the Area and Volume of a Hemisphere
A hemisphere is sphere that has been cut in half. When you cut the sphere in half you are left with the great circle, plus half of a sphere. This fact can be used to find the area, and the volume of a hemisphere. The video works several example problems in which the area and volume of a hemisphere is calculated.
How To: Make Oobleck
Oobleck is a cool substance that is not quite liquid or solid. Don't believe me, then try for yourself!! All you need is a couple of household ingredients!!
News: What Happens When Lightning Hits Sand
Is this what happens when lightning hits sand? It turns out that when lightning hits sand, it makes little holes in it. Sadly, this picture was part of an internet hoax that circulated in 2013.
News: Magnus Effect - Just Awesome !!!
In 1997 Roberto Carlos scored a majestic goal against France by bending a ball through the air in a majestic way, so majestic the France goalkeepers stopped to watch !
News: Gyroscopes = Dark Sorcery ?
A gyroscope goes into a bar, the bartender asks if he's drunk.
News: Fun Physics for All !!!
Science is not boring, not with Integza... THIS IS INTEGZA !!!
How To: Multiply by 11 Faster Than a Calculator
Yes, with this simple technique you can multiply 2 digit numbers in your head. The video also reviews a really easy method for multiplying larger numbers by 11 in a simple fashion.
How To: Multiply Any Number by 11 Easily
This video shows two techniques for multiplying any number by 11. Using these techniques you will find it is easier than using a calculator.
How To: Find the Radius of a Circle from Arc Length
The video provides two example problems for finding the radius of a circle given the arc length. Problem one finds the radius given radians, and the second problem uses degrees.
How To: Find the Surface Area of a Cylinder.
Step by step directions for finding the surface area of a cylinder. In order to calculate the surface area of the cylinder you find the area of the two bases and add this to the lateral area.
News: 10 Amazing Optical Illusions
This video is compilation of ten amazing optical illusions: Rooftop Illusion, Color Illusion, Motion Binding Illusion, Crazy Wire Illusion, Duck-Rabbit Illusion, Silver Egg Illusion, Anamorphic Illusion, Water Illusion, Animated Optical Illusion.
How To: Find the Volume of Composite Figures (Also Called Composite Shapes)
Composite figures are composed of several geometric shapes and are three-dimensional shapes. The first composite shape is a combination of a rectangular prism and a pyramid. To find the volume of the entire shape you find the volume of each individual shape and add them together. The second figure consists of a cylinder and a hemisphere. Check out the video below for the full lesson.
How To: Find the Volume of a Truncated Pyramid.
A truncated pyramid (frustum) is a pyramid with the top cut off. This video reviews how to find the volume.
How To: Heavy Water & Light Ice Experiment
Heavy Water & Light Ice Experiment. What happens? Ice floating over vegetable oil but it decreases in baby oil.
News: The Silver Egg Illusion
This requires a dry hen's egg at room temperature. Hold an egg near a candle flame to cover it with soot. It will need to be completely covered. This is tricky, because if the egg is a tiny bit damp the soot will easily flake off on to your fingers as you turn the egg. Once the egg has a nice black sooty coating, gently immerse it in a bowl of water.
How To: Classify a Triangle as an Isosceles Triangle.
Video: . What is an isosceles trapezoid. The video goes over the properties that are unique to an isosceles trapezoid.
How To: Simplify Square and Cube Roots
Whenever you simplify a square root or a cube root you are writing them in the simplest form. This video teaches a factoring method.
How To: Complete the Square of a Quadratic Function.
How to use "we half it,we square,we add it to both sides" when using the complete the square" This method can help make a complex Math problem a little bit easier.
How To: Add Fractions Without a LCM
This video has 7 fraction hacks that can save you time when working with fractions. The hacks are: Adding fractions without a LCM
How To: Find the Sector Area
The sector area is a section of the circle. You can think of it as finding the area of a pizza slice instead of the entire pizza.
How To: Simplify Complex Fractions
The key to simplifying fractions is to convert the fraction from a hamburger to a hot dog. In other words you change it from a fraction to a division problem, and then use Keep,Change,Flip to simplify. The video explains all of this and helps make complex fractions,simple.
How To: Change a Quadratic from Vertex Form to Standard Form.
The Vertex Form of a Quadratic Equals Vertex Form = F(X) = a(X-H)^2 +K (H,K) = Vertex, and the standard form equals f(x) = ax^2 + bx + c. This video explains how you switch from the vertex form to the standard form.
How To: Find the Perimeter of a Rectangle
If you have a rectangle and the length of only one side is given,how do you find the perimeter. The video shows how the diagonal creates a right triangle. This right triangle can be used to find the other side of the triangle, and then the perimeter.
How To: Simplify Complex Fractions
Complex fractions are fractions that contain a fraction in the numerator,the denominator, or both. You can use the Keep,Change,Flip method in order to simply these complex fractions.