Mathispower4u
Solve a One Step Equation With Decimals by Multiplying (Example)
Watching a video equals a chance to learn more about solving equations. Learners see how to solve one-step equations with decimals. The example the narrator works through requires multiplying with decimals to solve.
Khan Academy
Multiplying Fractions and Whole Numbers: Mixed Number Answer, Pre-Algebra
Here is a great video explaining multiplying a fraction by a whole number. Sal shows students how to put a whole number over 1 to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.
Khan Academy
Dividing a Decimal by a Power of 10: Shortcut, Decimals, Pre-Algebra
Occasionally, in mathematics, there are "shortcuts" one can take. Sal explains a quick way to divide decimal numbers. He demonstrates that in some instances, simply shifting the decimal point to the left will result in a correct answer.
Curated OER
How Do You Divide a Decimal by a Decimal?
Many learners would look at this decimal division problem and just skip it. Don't let them do that! Figure out how to help your learners master long division. The teacher helps make decimals and long division seem doable.
Virtual Nerd
How Do You Use an Equation to Find a Part of a Whole?
Watch the instructor change a percent into a decimal and multiply it by the original number to determine the percent. One idea would be to embed this video in a PowerPoint presentation, or assign it as homework with your flipped...
Curated OER
How Do You Turn a Decimal Into a Percent?
Multiply a decimal number by 100 to get a percent number. Or take a shortcut and merely move the decimal point two places to the right. But don't forget to write the percent sign after you move the decimal. Otherwise it's just a number...
Khan Academy
Multiplying and Dividing with Significant Figures, Decimals, Pre-Algebra
Sal takes out the big guns—or, in this case, the big calculator—in this video, which takes the concept of significant figures even further. Sal shows how to multiply and divide significant figures using electronic and handwritten...
Khan Academy
Decimal to Simplified Fraction, Decimals, Pre-Algebra
This video demonstrates how to write a decimal as a fraction and explains why it works. The concept is explained well and presented clearly and straightforwardly. Great for third or fourth graders.
Curated OER
Estimating Surface Area
Kids might enjoy this dramatic presentation on estimating surface area. The fake Transylvanian accent is a bit distracting but the problem solving practices are sound. Dr. Crazy Pants rounds his decimal measurements then multiplies...
Mathispower4u
Solve a Linear Equation With Decimals and Variables on Both Sides (Example)
Create better equation solvers! The video presentation tackles solving an equation with variables on both sides with decimal coefficients. The instructor explains how to multiply by a constant to eliminate the decimals before continuing...
Krista King Math
Decimal Equations
Extend your classes' understanding of solving equations by introducing decimals into the mix! Here, a video tutorial shows how to convert decimals to integers in an equation by multiplying by powers of 10. Shows three examples of...
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...
Khan Academy
Taking Percentages, Linear Equations, Algebra I
There are two percentage concepts covered in an informative video. The first is how to find a given percent of a given number; the second concept shows learners how to find a number when the percent is given. Sal finishes by...
Khan Academy
Example: Two-Step Equations, Linear Equations, Algebra I
Sal adds a few more steps to these problems as he solves algebraic equations with two steps, though he states that "there's more than one way to do it." Those who become confused by increasingly complicated algebra problems on a test...
Khan Academy
Khan Academy: 1 Step Multiplication/division Equations: Fractions & Decimals
Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. [7:51]