Curated OER
How Do You Find the Mean of a Data Set?
There are eight decimals numbers in this data set. Find the mean. So add all the terms together and then divide that total number by the number of terms in the data set. That's how you find the mean or average of a data set.
Curated OER
What is a Repeating Decimal?
Pi is not a repeating decimal, although it goes on and on and on forever after the decimal. Why? Because nothing repeats. So what is a repeating decimal? How is a repeating decimal written? Can a fraction be a repeating decimal? Want to...
Curated OER
How Do You Compare Fractions by Finding a Common Denominator?
How can you tell if two fractions are equal or different when they have different denominators? Watch this video to find out! A tutorial on common denominators, this video explains each step necessary to find common denominators, create...
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 Put Whole Numbers in Order From Greatest to Least?
So you want to put some given values in order from greatest to least? The instructor starts out by drawing a place value chart. She then inserts all the numbers into the chart. This helps you visually see their value so you can compare...
Curated OER
How Do You Multiply a Two-Digit Number by a Two-Digit Number Using Partial Products?
What are partial products? The teacher uses a geometric model to illustrate how to break up double digit numbers to find the product of the numbers being multiplied. It's a good visual for your students who might need to see how the math...
Curated OER
How Do You Multiply a Two-Digit Number by a One-Digit Number?
The instructor uses diagrams to illustrate a model of how to multiply 3 times 26. Multiplication is a form of addition. She states that the larger rectangles represent 10 and the small squares have a value of 1. She explains how to get...
Curated OER
How Do You Multiply a Three-Digit Number by a One-Digit Number?
The teacher gives a very thorough explanation of how to set up and multiply numbers vertically. She emphasizes place value and where the numbers go when you multiply them (carrying).
Curated OER
How Do You Divide a Two-Digit Number by a One-Digit Number With No Remainder?
The instructor draws a diagram to represent a given value using base 10 blocks. She shows how to divide it up into groups just to give you a visual. She then demonstrates how to solve the problem using the long division method.
Curated OER
How Do You Compare Two Whole Numbers?
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
Curated OER
How Do You Determine Which Operations to Use in a Word Problem?
Word problems can be tricky. Lucky for you there are key words that can help you identify the operation needed to successfully complete any word problem. This tutorial helps you pick out key words and what those words indicate in terms...
Curated OER
How Do You Find the Next Terms in an Arithmetic Sequence?
Common difference? Sounds like an oxymoron. It's a math term used to describe a pattern that may occur between a series of numbers. Watch this video and the instructor will explain what the term means as it is applied to an arithmetic...
Curated OER
How Do You Use the Graph of a Linear Equation to Solve a Word Problem?
There are rabbits, rabbits, rabbits everywhere. Not this group of rabbits. Use a table to find some x and y values to create a graph to solve this word problem. It's a rather peculiar word problem in that it is trying to find when a...
Curated OER
How Do You Convert a Number in Exponential Form into Expanded Form?
A quick lesson on how to write an exponential expression in expanded form. All you have to do is write out the base number the identified number of times as represented by the power.
Curated OER
How Do You Convert a Number in Expanded Form into Exponential Form?
So you have a given number in expanded form where you have to multiply that same number several times. Make it a little easier for yourself and write it in exponential form. As long as the number has the same base being multiplied you...
Curated OER
How Do You Evaluate an Exponent?
Identify the base, identify the exponent, write out the base the number of times indicated by the exponent. Then multiply the base as written out in expanded form. Finally simplify your answer and you will have just evaluated an exponent.