Curated OER
How Do You Multiply Decimals?
Find the product of numbers that have decimals. First, ignore the decimals and multiply the integers. Second, count the place values of the decimals for each value given. Third, add the values together. Fourth, place the decimal in the...
Curated OER
How Do You Use Multiplication with Negative Numbers to Solve an Inequality Word Problem?
Solve this real world word problem in just one written step. The original inequality is a division problem, so to solve it, use the multiplication property of inequality. Was the problem solved by multiplying a negative number? Yes! So...
Northeast Arkansas Education Cooperative
Multiplying Polynomials
Without ever relying on the FOIL trick, this presentation carefully walks young algebrists through multiplying binomials by a monomial and by each other. Examples start easy, but move into complicated pairings of coefficients, positives...
Northeast Arkansas Education Cooperative
Multiplying Binomials Using the Distributive Property
Where many multiplying binomial lessons introduce the tool of FOIL and move on, this video presentation really delves into the how's and why's of the distributive property. Careful treatment of distribution and explicitly written out...
Northeast Arkansas Education Cooperative
Multiplying Monomials
This video starts with the basics and shows how to simplify monomials. First, it defines what a monomial is, then gives examples of monomials, evaluates integers raised to a power, and multiplies monomials with the same base. Finally, it...
Curated OER
How Do You Do Long Multiplication?
Multiplying multi-digit numbers without a calculator. First, make sure you align the numbers properly. It's not just about multiplying, but there's carrying numbers and adding numbers and placeholders. You can do it, just remember to...
Curated OER
How Do You Find the Greatest Common Factor of Monomials?
Use prime factorization to find the greatest common factor of four given values. What are the factors that all four given values have in common? Identify them, and then multiply together to get the greatest common factor. Just like that....
Curated OER
How Do You Find the Greatest Common Factor of Three Numbers?
Use prime factorization to find the greatest common factor of three given values. What are the factors that all three given numbers have in common? Identify them, and then multiply together to get the greatest common factor. Just like...
Mathispower4u
Solving Two-Step Equations Using Integers (Example 2)
Add, subtract, multiply, or divide ... which is the right operation to use? Give your classes some insight into using these operations to solve two-step linear equation using a video tutorial. The lesson describes how and when to use...
Mathispower4u
Multiplying Monomials (Example)
If classmates can multiply and add integers, they're well on their way to mastering multiplication of monomials. Using the resource, future mathematicians learn how to multiply monomials. A short instructional video goes over four such...
Mathispower4u
Solving Two-Step Equations Using Integers (Example 1)
Solving two-step equations is twice as fun as one-step equations! A thorough lesson shows the steps to solving two-step equations. Learners watch as the instructor not only explains how to use each operation but also explains why the...
Curated OER
How Do You Find the Additive Inverse of a Polynomial?
Finding the additive inverse is not as complicated as you might think. The instructor demonstrates how to multiply each of the terms in the polynomial by -1 and explains how this works. But wait, there's a quicker way. What's that you...
Khan Academy
SAT Prep: Test 8 Section 5 Part 2
Sal again makes the SAT look effortless, and yet students will follow his mathematical processes with ease. Problems range in difficulty, from basic algebra equations to more complicated geometric figures.
Curated OER
How Do You Use Division With Negative Numbers to Solve an Inequality Word Problem?
A word problem that needs to be written as an inequality to solve. This expression seems pretty straightforward and only takes one step to solve. But wait, the division property was used with a negative number so the inequality sign has...
Curated OER
How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Negative Fractions?
It just doesn't seem right to lose points when answer a question incorrectly. Well, that's what this word problem is all about. So calculate how many incorrect answers the team gave. Don't forget to flip the inequality when dealing with...
Curated OER
How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Positive Fractions?
Ingrid got some good advice from her father about building a bridge out of pasta. Now she has to do some calculations to build a strong pasta bridge. Figure out how tall she can build her bridge based on a given length. Two given values...
Curated OER
How Do You Square a Number?
Multiply a number by itself and that is squaring a number. Simple as that, and, if it's an integer you have a perfect square.
Curated OER
How Do You Distribute With Whole Numbers and Fractions?
This lesson on the distributive property is probably a review for algebra I mathematicians. But it doesn't hurt to reinforce this skill of multiplying a whole number times the sum of fractions. The teacher shows two ways to multiply the...
Curated OER
How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
Curated OER
What are Multiplicative Inverses?
How can two numbers be multiplied to get a product of one? Why is this even important? One reason this is an important skill has to do with getting rid of denominators. So learn about multiplicative inverses in this video.
Khan Academy
Two-Step Inequality Example
Solving single variable inequalities is explored in this video. The example that Sal shows here contains fractions, shows the need to reverse the inequality because he multiples by a negative number during his computation, and shows the...
Curated OER
How Do You Figure Out the Sign of a Product or Quotient?
There are many ways to determine the sign of products and quotients of numbers that are multiplied or divided. Watch this video as the instructor illustrates a few ways to determine and check whether the solution is positive or negative.
Curated OER
How Do You Use Multiplication With Positive Numbers to Solve an Inequality Problem?
Broken lights at the skating rink? Are there enough not broken to be able to see well enough to skate? Set up this real-world word problem and find the total number of lights in the skating rink. Two given values and one variable. Solve...
Curated OER
How Do You Solve a Word Problem Using a Multi-Step Inequality?
This real-world word problem seems pretty complicated, but it's really not. It only takes four steps once you have an original expression to solve this problem. There are some negative numbers involved in this inequality. So don't forget...