Curated OER
How Do You Solve a Multi-Step Inequality?
Investigate inequalities with this instructional video. A lecturer presents an inequality that will take multiple steps to complete and works through the problem step-by-step, numbering and labeling each action she takes. This video is...
Curated OER
How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators, showing viewers...
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
What's the Quotient of Powers Rule?
What's the definition of the quotient of powers rule? Don't confuse this rule with the power of a quotient rule. This quotient of powers rule is quite simple in that you can just subtract. Wow! Take the power from the numerator and...
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 Subtract Fractions with the Same Denominator?
Having a common denominator is the best thing to have when subtracting fractions. If you have a common denominator then all you have to do is subtract the numbers in the numerator.
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 Find the Range of a Data Set?
Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...
Curated OER
How Do You Subtract Decimals?
Subtracting? Line up the decimals, line up the decimals, line up the decimals! Put in place holder trailing zeros, when necessary. Now do your subtraction. When you have your answer, bring down the decimal, bring down the decimal, bring...
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...
Curated OER
How Do You Subtract Fractions with Variables?
Combine fractions that have unlike denominators and a variable. As usual the variable needs to get isolated. Then find the least common denominator so you can combine the fractions. Finally put it all back together.
Curated OER
How Do You Subtract Whole Numbers?
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step by step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Curated OER
How Do You Subtract a Whole Number from a Fraction?
Follow along as the instructor demonstrates how to subtract a whole number from a fraction. First, she changes the whole number to a fraction. Then she finds the least common denominator of the two fractions. Finally, she does the...
Curated OER
How Do You Subtract Like Terms?
Subtracting like terms, combining like terms, simplifying an expressions all refer to the same thing. The teacher explains two different methods of simplifying this subtraction expression.
Curated OER
How Do You Subtract by Regrouping?
This simple video provides a great way to review the concept of subtraction with regrouping. There are visual representations of the tens and ones to aid in understanding. An excellent resource.
Khan Academy
Subtracting Fractions with Like Denominators
Elementary school students can observe Sal as he subtracts fractions that have a common denominator. Because this concept is fairly straight forward, he focuses on simplifying his answer. A great video for those needing extra support in...
Krista King Math
Inverse Operations
Demonstrate the important concept of inverse operations through an engaging video tutorial. The narrator explains that creating an understanding of inverse operations is essential to solving equations. The video also looks...
Curated OER
Subtracting Fractions
In forty-four seconds, Duane explains how to find a common denominator and then subtract a mixed fraction. Short, simple, and great for an at-home review.
Khan Academy
Singapore Math: Grade 3a, Unit 2 (Part 11)
Solving two-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three-word problems involving multi-digit addition or subtraction. Sal highlights essential...
Curated OER
Singapore Math: Grade 3a, Unit 2 (Part 3)
Using three-digit numbers, this video discusses the process used to add and subtract with regrouping. The instructor also focuses on determining when and when not to regroup. It describes precisely what is happening when a problem...
Curated OER
How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
Curated OER
How Do You Subtract Mixed Fractions with the Same Denominator?
There are many ways to subtract mixed fractions. The teacher demonstrates one method of how to break up the mixed number and subtract the whole numbers apart from the fractions. Once that is complete she puts the whole number and...
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...
Curated OER
How Do You Subtract Integers Using a Number Line?
There are times when you might want to use a number line to help you visually understand what is happening mathematically. Subtracting integers might be one of those times. So take a look and see which direction you need to move on the...