Mathispower4u
Simplify Basic Expressions with Negative Exponents
Identifying the base is extremely important. Using five problems with negative exponents, the narrator demonstrates that knowing the base is important in simplifying algebraic expressions. The different problems use the same numbers but...
Mathispower4u
Negative Exponents
Extend exponent properties beyond zero. After a quick review of the properties of exponents as they relate to negative exponents, the narrator works several examples for viewers. The examples start with simple, requiring only one...
Mathispower4u
Divide a Polynomial by a Monomial (Example)
What works for a binomial also works for a trinomial. The short video shows how to divide a polynomial by a monomial by breaking up the polynomial into its individual terms. Examples consist of a binomial and a trinomial divided by a...
Mathispower4u
Divide a Binomial by a Monomial (Example)
Make it easier by breaking it into pieces. The short video shows one example of dividing a binomial by a monomial. Pupils see that all polynomial division problems do not necessarily end up even and how to write the quotient.
Mathispower4u
Dividing Polynomials by Monomials
Split the polynomial into terms. The video shows how to divide a polynomial by a monomial. By splitting the polynomial into its terms, the problem then becomes dividing several monomials by a monomial. Class members become familiar with...
Corbett Maths
Transformations: Translations
Slide into vector transformations. Column vectors define the translation of figures by defining the number of units to move horizontally and vertically on the coordinate graph. Pupils develop an understanding of how to read the...
Mathispower4u
Negative Exponent: Why Is a^(-1)=1/a?
Follow a pattern to develop an explanation. An engaging video uses the pattern of positive integer exponents to develop an explanation of the rule for negative powers. Using powers of three, each lower power is the previous one divided...
Corbett Maths
Dividing Algebraic Fractions
Do the keep, change, flip dance. The resource shows that the division of algebraic fractions follows the same rules as dividing numerical fractions. Pupils understand that if they can multiply rational expressions, they can divide...
Corbett Maths
Multiplying Algebraic Fractions
Make the complicated look relatively simple. The video shows how multiplication of algebraic fractions is easier when they factor the numerators and denominators. Pupils see which factors will cancel, or divide out, easier when writing...
Corbett Maths
Simplifying Algebraic Fractions
Simplification is about factoring. While working with rational expressions, pupils must know how to factor. The video shows how the process of finding common factors in algebraic fractions is similar to finding common factors in...
Corbett Maths
Adding Algebraic Fractions
The process requires the combination of several concepts. A video shows how individuals need several concepts to add rational expressions. Pupils must remember they need to find common denominators, combine like terms, and use the...
Corbett Maths
Dividing Algebraic Expressions
Get back to the basics to become an expert. The short video shows the basics of dividing algebraic expressions. Using several examples, the presenter reminds viewers of the rules of exponents when dividing. Pupils practice dividing...
Corbett Maths
Density
A short video introduces the triangle that illustrates how to find any value given the other two in the density formula. Class members use the triangle to work several problems to find the mass, volume, or density of an object.
Corbett Maths
Pressure
Do not let the pressure get to you. After watching a video on calculating values using the pressure formula, pupils work problems on two worksheets. The problems range from finding the pressure, the force, or the area given the other two...
Corbett Maths
Shortest Distance between Line and Point
A short video shows how to find the shortest distance between a line and a point on the coordinate plane. Using the fact the shortest distance is the perpendicular, the presenter shows the class how to find the intersection of the two...
Corbett Maths
Volume of a Cone
Is it possible to find the volume of a cone? Of course! Using the formula for the volume of a cone, the video shows how to calculate an exact and an approximate answer for a cone's volume. The worksheets challenge pupils to perform...
Corbett Maths
Volume of Cuboids and Cubes
Turn up the volume. After identifying the three dimensions of a prism, the presenter gives the formula for finding its volume. Using the formula, the video shows pupils how to find the volume of a rectangular prism and a cube. Classmates...
Mathispower4u
Solve an Equation with Parentheses (Example 2)
Isolation is the name of the game. Working with an equation that has parentheses on one side of the equation, the resource shows the steps to find the solution. The solution process starts with distributing across the parentheses and...
Corbett Maths
Direct Proportion
Direct change by finding the constant. Using two known values within a direct proportion, the resource shows how to find the constant of proportionality. Once individuals do that, they then find any value given the other. The video works...
Mathispower4u
Solving a Multi-Step Linear Equation in One Variable (Example)
An equation has parentheses on both sides of the equation, including a need to use the distributive property and recall the order of operations. The resource works through the steps to isolate the variable and finds the solution to the...
Mathispower4u
Solve a Two-Step Equation with Decimals (Example)
Oh no, there are decimals! A resource shows a method to solve a two-step equation that contains decimals. Using a process of clearing the decimals, the presenter converts the equation into a basic two-step equation with whole numbers. At...
Mathispower4u
Solving Two Step Equations Involving Decimals
With two examples, the presenter shows how to solve a two-step linear equation that contains decimals. Prior to solving the first example, the presentation reviews the steps to solving any two-step linear equation. The examples require...
Mathispower4u
Simplify and Evaluate Algebraic Expressions 2
These are equivalent, too. The resource presents two expressions to simplify that require using the distributive property and/or combining like terms. After simplifying the expressions, the video shows how to evaluate the expressions to...
Mathispower4u
Simplify Algebraic Expressions (Basic)
To simplify or not to simplify, what should scholars do? Using several examples, the video works through the process of simplifying algebraic expressions. The resource restricts simplification to using the distributive property and to...