Curated OER
How Do You Use the Formula for Simple Interest?
I=prt is the formula for simple interest. What does each variable represent? I =interest, p =amount originally invested, r =rate of interest (usually in percent), t =time. Now all you have to do is plug in the numbers and do the...
Curated OER
How Do You Figure Out if a Square Root is Bigger than Another Number?
You have been given a square root and need to compare that to a decimal number to find out which one is bigger. How can you make that comparison? One way to do this is to find the square root of the square root number and then compare it...
Curated OER
What's a Percent?
Percent is the number of something per 100. It can be written with a percent sign (%), or as a decimal, or as a fraction- a number over 100.
Curated OER
What is the Percent Equation?
What number is 40% of 30? Learn the formula and be able to figure out all of the percent problems. The instructor demonstrates the basic formula. Then she shows how and where to plug in the numbers according to what the problem is asking...
Curated OER
How Do You Figure Out a Percent of Change?
First identify the parts of the word problem. Next identify the variable, decide what formula to use, figure out the quantities, insert the quantities into the equation, and now solve. There are many parts to solving this word problem so...
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 Use an Equation to Find a Whole?
The teacher shows how to break down this problem by first identifying all the terms. After changing the percent to a decimal, she shows how to set up the equation using the terms. Lastly, she solves the equation using the division...
Curated OER
How Do You Solve a Decimal Equation Using Subtraction?
Solve this algebraic equation by isolating the variable. In this one-step problem that is done by using the subtraction property of equality. There are decimal numbers in this equation so be sure to line up the numbers according to the...
Curated OER
How Do You Turn a Fraction Into a Terminating Decimal?
Writing a fraction is just another way of writing a division problem. Which means all fractions are then division problems. Fractions can be converted into decimal numbers by doing the division. This fraction can be converted into a...
Curated OER
What is the Percent Equation?
What number is 40% of 30? Learn the formula and be able to figure out all of the percent problems. The instructor demonstrates the basic formula. Then she shows how and where to plug in the numbers according to what the problem is asking...
Curated OER
How Do You Solve a Word Problem Using a Two-Step Equation with Decimals?
A word problem with just one variable. Definitely doable! Identify all the components in this word problem then write an equation. Now solve it using the properties of equality.
Curated OER
How Do You Turn a Percent into a Decimal?
Remember how to convert percentages to decimals? No? Move the decimal to the right? Move the decimal to the left? Need a quick review? Then watch this video.
Curated OER
How Do You Turn a Percent Into a Fraction?
Change decimals to percent, fractions to decimals, percentages to fractions, etc. Remember how to do all of these conversions? It gets so confusing. Move the decimal to the right? Make it a fraction over 100? Multiply by? Oh my! So watch...
Curated OER
How Do You Solve a Decimal Equation Using Multiplication?
Solve this algebraic equation in one step by using the multiplication property of equality. Not sure what that property is? Then watch this video and see the instructor work out this problem. These are decimal numbers so make sure to use...
Curated OER
How Do You Use the Formula for Simple Interest?
I=prt is the formula for simple interest. What does each variable represent? I =interest, p =amount originally invested, r =rate of interest (usually in percent), t =time. Now all you have to do is plug in the numbers and do the...
Curated OER
How Do You Figure Out if a Square Root is Bigger than Another Number?
You have been given a square root and need to compare that to a decimal number to find out which one is bigger. How can you make that comparison? One way to do this is to find the square root of the square root number and then compare it...
Massachusetts Institute of Technology
Mit: Blossoms: Counting Systems
This video aims to explain counting systems (Decimal, Binary, and Hexadecimal). Students will get to know how to convert numbers between these systems. Also, students will learn how to do some byte and bit level operations. They will use...
CK-12 Foundation
Ck 12: Elem Math: Overview of Comparing Decimals
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare decimals using place value.
Sophia Learning
Sophia: Multiplying Tenths by Hundredths: Lesson 12
This lesson demonstrates multiplication of tenths by hundredths. It is 12 of 12 in the series titled "Multiplying Tenths by Hundredths."
Sophia Learning
Sophia: Multiplying Tenths by Hundredths: Lesson 9
This lesson demonstrates multiplication of tenths by hundredths. It is 9 of 12 in the series titled "Multiplying Tenths by Hundredths."
Sophia Learning
Sophia: Multiplying Tenths by Tenths: Lesson 10
This lesson demonstrates multiplication of tenths by tenths. It is 10 of 10 in the series titled "Multiplying Tenths by Tenths."
Sophia Learning
Sophia: Relating Metric System Measures: Lesson 1
This lesson explains how to convert between units of measurement in the metric system by moving the decimal. It is 1 of 5 in the series titled "Relating Metric System Measures."
Sophia Learning
Sophia: Rounding to the Tenths Place: Lesson 5
This lesson demonstrates rounding up or down to the tenths place in a decimal. It is 5 of 11 in the series titled "Rounding to the Tenths Place."
Sophia Learning
Sophia: Rounding to the Thousandths Place: Lesson 10
This lesson demonstrates rounding up or down to the thousandths place in a decimal. It is 10 of 10 in the series titled "Rounding to the Thousandths Place."