Curated OER
How Do You Mentally Find Percents That are Powers of 10?
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Curated OER
How Do You Subtract Polynomials Vertically?
Subtract polynomials? Huh? First off find the additive inverse of the number you are subtracting. Next rewrite the polynomials one on top of the other. Make sure to line up the like terms and then write in placeholders. Now add the terms...
Curated OER
How Do You Evaluate an Exponential Function?
Set up a table to keep track of your values as you evaluate an exponential function. Select some values for the table to plug in to the given exponential expression. Then evaluate the expression. Do you see a pattern?
Curated OER
What's a Polynomial?
A polynomial is the sum of one or more monomials. They are identified by the number of terms they have. Monomials, binomials, trinomials, find out what these terms identify.
Curated OER
How Do You Find the Volume of a Box Whose Sides are Monomials?
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Virtual Nerd
How Do You Convert a Number in Exponential Form into Expanded Form?
A quick lesson on how to write an exponential expression in expanded form. All you have to do is write out the base number the identified number of times as represented by the power. This would be a great support to your lesson on...
Curated OER
How Do You Add Polynomials Vertically?
The instructor demonstrates how to line up two polynomials vertically to add them together. She emphasizes lining up the terms with the same powers. She also identifies some places where there is no term and shows how to write a...
Curated OER
How Do You Find the Degree of a Polynomial?
How do you determine the degree of a term? How do you determine the degree of a polynomial? Oh my! Observe the teacher as she shows you just how to figure out the degrees, first of terms, then of polynomials.
Curated OER
What are Like Terms?
Combine those like terms! What does that mean? How do I do that? Find terms with the same variable and find terms with the same powers and combine their coefficients.
Curated OER
How Do You Add Like Terms?
Do you want to combine like terms the long way, or the quick way? Well, the instructor shows you both ways, and I bet you will prefer to combine like terms the quick way.
Curated OER
How Do You Solve a Word Problem by Taking a Monomial to a Power?
You've got a cube and a monomial for the length of a side, how do you find the volume? Oh, and the monomial expression has exponents. Just use the formula for finding the volume of a cube and use the properties of powers to multiply the...
Curated OER
How Do You Evaluate an Exponent?
Identify the base, identify the exponent, write out the base the number of times indicated by the exponent. Then multiply the base as written out in expanded form. Finally simplify your answer and you will have just evaluated an exponent.
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 Solve a Word Problem by Dividing Monomials?
A word problem, a triangle, monomials, exponents, what to do? The instructor explains how to set up this ratio in order to solve the problem and express it as a monomial in simplest form.
Curated OER
How Do You Add Polynomials?
So you want to learn how to add polynomials? Here are the steps: Rewrite by removing the parentheses, identify the like terms, group like terms together, combine the like terms, and finally rewrite the simplified expression.
Curated OER
How Do You Convert From Decimal Notation to Scientific Notation?
The instructor demonstrates how to convert a number written in decimal form to scientific notation. An example is given for a number with a positive exponent and an example is given for a number with a negative exponent.
Curated OER
What's the Power of a Product Rule?
The instructor shows several different examples of the power of a product rule. She multiplies the values out, uses the commutative property of multiplication, and then simplifies the terms.
Curated OER
How Do You Convert From Scientific Notation to Decimal Notation?
The instructor demonstrates how to convert a number written in scientific notation to a decimal number. An example is given for a number with a positive exponent, and an example is given for a number with a negative exponent.
Curated OER
How Do You Take the Power of a Monomial?
Want to learn how to multiply to the power of a monomial? Here's a short explanation of just how to do that.
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.
Monterey Institute for Technology and Education
Fractional Exponents
This easy-to-follow video shows how to write the nth root of a number as a fractional exponent and how to simplify expressions with using fractional exponents. There are worked examples, and practice problems included.
Curated OER
Divide Decimal by Powers of 10
Learn how to divide decimals by the powers of 10 using this film. This is a great way to have your class either learn or review the division of decimals.
Corbett Maths
Powers Indices
Knowledge is power, especially when dealing with exponents. Viewers of a short YouTube video see how to evaluate powers of positive bases. They use a calculator to determine the value for larger numbers.
Mathispower4u
Simplify Exponential Expressions - Positive Exponents Only (Example 3)
Third example's the charm. To learn about simplifying expressions, young mathematicians watch a short video that shows how to simplify an algebraic expression using several properties of exponents.