Lumos Video Store
This page provides a list of educational videos related to Decimal Subtraction. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Decimal Subtraction.
Subtracting decimals
By Khan Academy
Subtracting decimals...up to the hundredths placement. Line up those decimals before you start.
Multi-step word problem with decimals and subtraction
By Khan Academy
First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer.
Adding and Subtracting Decimals
By TeacherTube Math
This video is from the TeacherTube website and the instructor shows how to add and subtract decimals. She shows how to line up the decimal points in the numbers. Instructor appears to be using computer software for demonstration.
Subtracting decimals 2
By Khan Academy
Just like when add, be sure you align decimals before subtracting.
Subtracting decimals
By Khan Academy
We're going to practice another decimal subtraction problem. You'll need to do some regrouping.
Multi-step word problem with decimals and subtraction
By Khan,Academy
First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer.
One-step addition and subtraction equations with fractions and decimals
By Khan Academy
Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them.
Adding and subtracting decimals word problems
By Khan Academy
Let's get fancy and practice adding and subtracting decimals in the same word problem.
Subtracting decimals 0.5
By Khan Academy
Subtracting decimals...up to the hundredths placement. Line up those decimals before you start.
Subtracting decimals 2
By Khan Academy
In this example where we subtract decimals we do so up to the thousandths place. It's a little tricky, but not if we do it together.
Subtracting decimals 0.5
By Khan Academy
We're going to practice another decimal subtraction problem. You'll need to do some regrouping.
Subtracting Decimals | MathHelp.com
By MathHelp.com
This lesson covers customary unit conversions. Students learn the following customary units of measurement: inch, foot, ounce, ton, fluid ounce, pint, gallon, yard, pound, cup, quart, and so on. Students also learn to convert from one customary unit of measurement to another using the following conversion factors: 60 seconds = 1 minute, 7 days = 1 week, 3 feet = 1 yard, 16 ounces = 1 pound, 4 quarts = 1 gallon, and so on. Students are then asked to solve problems using conversion factors, such as 18 feet = ____ inches.
Subtracting Decimals - Word Problem
By Khan Academy
This video is from Sal Khan about subtracting decimals using the problem: Leo has $4 522.08 in his bank account. He deposits another $875.50 and then withdraws $300.00 in cash. How much is left in his bank account? Mr. Khan uses computer software for demonstration. The screen is a little 'busy' so the viewer may want to open the screen to 'full screen' to see all more clearly.
Addition and subtraction with significant figures | Decimals | Pre-Algebra | Khan Academy
By Khan Academy
This video shows us the rules for adding and subtracting measurements to show our level of accuracy. Note that the rules for addition/subtraction with significant figures are VERY different than the rules for mulitplication/division. Think about which number is the most precise!
One-step addition and subtraction equations with fractions and decimals
By Khan Academy
Some quick examples to practice solving a variety of one step equations. All 4 operations (add, subtract, multiple, divide) are paired with variables.
One-step addition and subtraction equations with fractions and decimals
By Khan Academy
Learn how to solve one-step addition and subtraction equations by adding or subtracting the same thing from both sides of the equation.
One-step addition and subtraction equations with fractions and decimals
By Khan Academy
Learn how to solve this equation: a + 5 = 54������������