Curated OER
How Do You Determine If Two Ratios are Proportional by Reducing?
Working on proportional ratios in your class? This video might be for you! An instructor takes a step-by-step approach to reducing and comparing two ratios in order to determine if they are proportional. A clear video, this resource...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Simplify an Expression?
If you know how to use the distributive property and you know how to combine like terms, then you can simplify this expression.
Curated OER
How Do You Solve a Word Problem by Subtracting Polynomials?
It's not a complicated word problem, but the picture frame just gives the problem a little context. So you are trying to find the difference, which means subtraction. The instructor reviews how to distribute the negative sign to the...
Curated OER
How Do You Solve a Word Problem by Subtracting and Multiplying Polynomials?
Apply the distributive property to multiply a monomial times a polynomial to get the area of a rectangle. Then use this information to solve a word problem.
Curated OER
How Do You Turn a Terminating Decimal Into a Fraction?
The instructor demonstrates how to convert a terminating decimal to a fraction. She calculates a base 10 denominator and then reduces the fraction to simplest form.
Curated OER
How Do You Multiply Monomials?
Use the associative property of multiplication to regroup the like terms in this polynomial multiplication expression. Then multiply the terms and make sure it is in simplest form.
Curated OER
How Do You Divide Monomials Using Quotient of Powers?
Help your mathematicians learn how to find a quotient through dividing monomials.
They will also learn how to use the quotient of powers rule to simplify. Note: a great video to show to your remedial Algebra learners.
Curated OER
How Do You Solve an Equation With Fractions With Different Denominators Using Addition?
Find the value of a variable in an equation that has fractions with unlike denominators. Use the addition property of equality first to isolate the variable. Then find the LCD and do the math to make the denominators the same. Now they...
Curated OER
How Do You Find the Area of a Rectangle Whose Sides are a Monomial and a Polynomial?
Yes, it's a real-world word problem, but it's as easy as multiplying a monomial and a polynomial. Then all you have to do is to make sure you write it in simplest form.
Khan Academy
Khan Academy: Algebra: Simplifying Radical Expressions 2
Video simplifying the square root of an algebraic expression by identifying perfect squares. [2:49]
Khan Academy
Khan Academy: Algebra: Simplifying Radical Expressions 3
Video simplifying the cube root of an algebraic expression by identifying perfect cubes. [3:09]
Virtual Nerd
Virtual Nerd: How Do You Simplify an Expression?
Review how to simplify an algebraic expression in order to prepare for the SAT. Follow this tutorial for practice putting an expression in simplest form. [2:39]
Khan Academy
Khan Academy: Algebra: Simplifying Cube Roots
Video simplifying the cube root of an algebraic expression by identifying perfect cubes. [5:24]
Khan Academy
Khan Academy: Algebra: Radical Expressions With Higher Roots
Video first finding the square root of an integer and then working towards finding larger roots of numbers by utilizing fractional exponents and exponent rules. Highest root is the 6th root. Includes an example with a variable. Video is...
Khan Academy
Khan Academy: Algebra: Simplifying Square Roots
Video simplifying the square root of an algebraic expression using prime factorization. [5:36]
Khan Academy
Khan Academy: Algebra: Simplifying Square Roots Comment Response
Video simplifying the square root of an algebraic expression found in the previous video [Simplifying Square Root] using a different process. Includes a discussion of the domain of the variable. [4:16]
Virtual Nerd
Virtual Nerd: How Do You Simplify an Expression?
Simplifying an algebraic expression is a fundamental part of solving math problems. Follow along with this tutorial to get some practice. [2:40]
Virtual Nerd
Virtual Nerd: How Do You Solve a Word Problem by Multiplying Trinomials?
Watch this instructional video to learn how to find the area of a quilt using polynomials as the measurement of each side. [3:27]