Mathispower4u
Modeling Change with Equivalent Equations ax + b = c
Mix it up while representing changes in a drink recipe. Using a scenario about making a party drink, the video creates an equation. The process uses equivalent expressions on each side of the equation to build the final equation. By...
Mathispower4u
Solve an Equation with Variable Terms on Both Sides (Example)
Shouldn't the variable be on only one side? Using one equation, the resource shows how to solve an equation in which there are variable terms on both sides of the equation. The short video walks through each step needed to isolate the...
Mathispower4u
Solving an Equation with Parentheses on Both Sides (Example 1)
Multiple parentheses, oh my! Using an equation with parentheses on both sides of the equal sign, the video demonstrates the steps to solve it. The resource works through each step to isolate the variable to arrive at a solution. Once...
Mathispower4u
Solve Two Step Linear Equations in One Variable (Example)
Introduce young mathematicians to a different kind of two step. Using four different equations, the resource reinforces the steps to solving a two-step linear equation. The video works each problem and demonstrates how to isolate the...
Mathispower4u
Simplify and Evaluate Algebraic Expressions 1
Evaluate the equivalence of expressions. A helpful video walks through the process of simplifying two expressions. Using values for the variables, the presentation evaluates the original expression and the simplified expression to show...
CK-12 Foundation
Composite Solids: Lesson
Combine the formulas to arrive at one volume. Using the formulas for different solids, the video introduces finding the volume of composite solids. The portion of an extensive playlist on geometry works a couple of problems, one with an...
CK-12 Foundation
Cylinders: Lesson
The solid is the same as a prism ... well, almost. The presentation makes connections between finding the volume and surface area of cylinders to prisms. Using the newly derived formulas, the portion of a large geometry playlist...
CK-12 Foundation
Area of Composite Shapes: Lesson
To find the whole, add and subtract the pieces. A portion of a massive geometry playlist shows how to approach finding the area of a composite figure. The resource works with a couple different composite shapes to find their areas.
CK-12 Foundation
Dilation: Lesson
Dilation—more than just an eye opener! A short video introduces the concept of dilating a figure given a center and a scale factor. Using prime notation, the installment of a larger geometry playlist shows how to label dilated images.
CK-12 Foundation
Arcs in Circles: Lesson
Taking a major look at arcs is not minor. A segment of an extensive playlist on geometry introduces the concept of an arc in a circle. The resource demonstrates how to find the measure of an arc and defines special types of arcs.
CK-12 Foundation
Inverse Trigonometric Ratios: Lesson
Finding the inverse of trigonometric ratios is not the same as finding the reciprocal. The presentation introduces how to find the angle of a right triangle given sides. Part of a larger playlist on geometry, the video uses the inverse...
CK-12 Foundation
Simplifying Radicals Review: Lesson
This work is radical! The video provides a refresher on radicals. The segment of an extensive basic geometry playlist reminds the class of the the rules for operating and simplifying expressions involving radicals.
CK-12 Foundation
Triangle Inequality Theorem: Lesson
Can any three lengths make a triangle? One of the videos in a playlist on basic geometry introduces the Triangle Inequality Theorem. Using three given lengths, the presentation illustrates the restrictions on lengths of any side of a...
CK-12 Foundation
Parallel Lines in the Coordinate Plane: Lesson
Discover the parallel structure of parallel lines. Provided with two parallel lines on a coordinate plane, the presenter shows that the rise and run, or slope, of the two lines are the same. The resource, which is a portion of a larger...
FuseSchool
Laws of Indices—Part 1
Index the rules of exponents. The British resource presents the laws of exponents for multiplication, division, raising a power to a power, and raising to the power of zero. Explanations demonstrate why the rules work.
FuseSchool
Completing the Square—Plotting Quadratics
Where is the turning point? The presentation demonstrates how the process of completing the square finds several points in the graph of a quadratic. One of the most important points found is the vertex of the graph. The video shows where...
FuseSchool
Factorising Expressions - Single Brackets
Use common factors to simplify expressions. The resource introduces factoring out the greatest common factor to simplify algebraic expressions. Worked examples include basic linear with numerical common factors to expressions that have...
FuseSchool
Factorising Quadratics
Introduce factoring basic quadratics to your class. A video uses an example to introduce the concept of factoring a quadratic trinomial. All of the quadratics in the resource have a leading coefficient of one.
Math Antics
What Are Polynomials?
Is there a limit on terms? The video introduces polynomials by first defining terms. The presenter goes on to discuss the degree of polynomials and the conventional way of writing polynomials in decreasing degree. Topics include...
Math Antics
The Distributive Property
The distributive property works both ways. Connecting the distributive property from arithmetic to algebra, the resource shows how it works with variables too. The video provides examples of using the distributive property with a factor...
Math Antics
Simplifying Polynomials
Combine terms to help simplify. An introduction of like terms starts the discussion on simplifying polynomials. Playing the game "like terms or not like terms" soldifies the concept of like terms. The video shows how individuals can...
MinutePhysics
The Order of Operations is Wrong
PEMDAS is not all that it is cracked up to be. The short video provides an argument that the order of operations may not be instructionally sound. The presentation shows that understanding the concepts and properties of mathematics...
Mathematics Assessment Project
Modeling Motion: Rolling Cups
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...
Krista King Math
Multiplication of Rational Expressions
Cancel that! Young mathematicians see how factoring and canceling can be very beneficial. The presenter works through examples of multiplying two rational expressions where the factors are simplified first. Factoring complex rational...