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...
Mathispower4u
Solve a One Step Equation With Decimals (Add/Subtract - Signed Decimals) (Example 2)
One step is sometimes all it takes. Pupils watch a short video to learn how to solve a one-step equation. The equation in the example requires adding signed decimals to determine the value of the variable.
Mathispower4u
Solve a One Step Equation With Decimals (Add/Subtract - Signed Decimals) (Example 1)
It's one small step, but a giant leap forward in solving equations. By watching a short video, scholars learn to solve one-step linear equations by applying inverse operations. The narrator works through an example involving an equation...
Curated OER
How Do You Add Decimals?
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, and bring down the decimal. There you have it.
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Curated OER
What are Trailing Zeros?
Can you put a million zeros on the right side of a decimal number? Well, there are a couple of rules you have to follow to do that. One - it has to be on the right side of the decimal. Two- there can't be any numbers after all those...
Curated OER
How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?
The first step in adding mixed numbers is to change them into improper fractions. Secondly, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the numerator...
Curated OER
How Do You Solve a Decimal Inequality Using Subtraction?
Isolate the variable to solve any equation. This equation happens to be an inequality but is solved no different than if it were just an equation. Use the subtraction property of inequality to solve this given problem. The numbers are...
Curated OER
How Do You Find a Missing Angle in a Triangle?
The interior angles of any and ALL triangles adds up to 180 degrees. So if given two of the angle degrees, is it possible to find the value of the third angle? Yes! Use the triangle sum theorem to solve for the missing angle. Watch this...
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...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding Decimals of Different Signs
This video shows how to add positive and negative money amounts in the context of a word problem using a number line. Practice problems are available. [3:15]
Khan Academy
Khan Academy: Subtracting Decimals: 9.005 3.6
Just like when add, be sure you align decimals before subtracting. Created by Sal Khan, Monterey Institute for Technology and Education. [2:08]
Khan Academy
Khan Academy: Adding and Subtracting Decimals: Adding Decimals
A video on how to add decimals.
Virtual Nerd
Virtual Nerd: How Do You Add and Subtract Matrices With Fractions and Decimals?
Follow along with this tutorial to get some practice adding and subtracting matrices using decimals and fractions. [4:42]
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Decimals Word Problems
[Free Registration/Login may be required to access all resource tools.] This is a video that shows how to solve both an addition and subtraction problem with decimals.
Math Mammoth
Math Mammoth: Add and Subtract Decimals Mentally (With Up to 3 Decimal Digits)
A lesson in how to add and subtract decimals to the thousandths place using mental math. [10:40]
Math Mammoth
Math Mammoth: Adding and Subtracting Negative Fractions and Decimals, Part 1
In this video, students are shown how to add and subtract negative fractions and decimals. This is followed by an example problem that looks at negative and positive money amounts related to a bank account. [7:09]
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