NUMBEROCK
Rounding Whole Numbers
"The number to the right must be found: Five or more? ROUND UP! Less than five? ROUND DOWN!" You're students will definitely ask you to play this one again. Rounding has never been as engaging as it is in this math song that you'd think...
NUMBEROCK
Rounding Whole Numbers & Decimals
"The number to the right must be found: Five or more? ROUND UP! Less than five? ROUND DOWN!" You're students will definitely ask you to play this one again. Rounding has never been as engaging as it is in this math song that you'd think...
Khan Academy
Patterns in Sequences 2
This video again looks at finding the algebraic pattern in sequences. In the example, we are looking at a figure where a number of toothpicks (or lines) are added each time. You need to find how many toothpicks will be in the 50th...
Khan Academy
Rounding Whole Numbers 3, Arithmetic Properties, Pre-Algebra
Sal Khan completes the three-part rounding series with this Khan Academy video on rounding to the nearest 10. He references the actions taken in video two, so students would be best served if all three videos were shown in sequence.
Math Antics
Subtracting Mixed Numbers
A nine-minute video focuses on the method of subtracting mixed numbers. The host walks viewers through several examples, pointing out each step using the stacked form, regrouping, or borrowing. The video ends with an encouraging message...
Math Antics
Adding Mixed Numbers
Mathematicians walk through the problem-solving process with a nine-minute video that focuses on adding mixed numbers with like and unlike denominators. The host points out and discusses how to use the stacked form, carry, regroup, and...
TED-Ed
Can You Solve the Giant Cat Army Riddle?
Dr. Schrodinger, the rat, has set a trap for anyone trying to destroy the growth ray he is using to create giant cats to attack the city. Viewers are challenged to escape his trap and save humanity in this rather complex math riddle.
TED-Ed
Game Theory Challenge: Can You Predict Human Behavior?
Game theorists will love the challenge proposed in this video. Every player has the same information (common knowledge) and must guess the closest whole number that represents 2/3 of the average of all numbers other players guessed.
Mathispower4u
Identifying Sets of Real Numbers
Some numbers just want to be whole. Viewers of a short YouTube video learn how to classify real numbers as rational/irrational numbers, integers, whole numbers, and natural numbers. They see how graphic organizers can help visualize...
Numberphile
Transcendental Numbers
Here is a resource that transcends expectations. Scholars watch a video in the Numberphile "Pi" playlist to learn about transcendental numbers. The video uses a game to explain how to classify numbers as either algebraic or transcendental.
Scholastic
Study Jams! Place Value
Looking at large numbers can intimidate many young mathematicians. Use Zoe's place value machine to help learners understand the meaning behind each digit in a whole number. After learning about the ones, tens, and hundreds places,...
Curated OER
The Number Line
Learn about the number line! The number line is defined, described and shown in this short video. The instructor tells learners how to use a number line with whole and real numbers as well as how it can be used to determine greater than...
Curated OER
What's an Integer?
Introduce your class to integers with this video. This video provides a definition of integers, using examples of numbers that are integers and numbers that are not. A straightforward video that could be used to teach the concept as well...
Curated OER
What's Another Definition for an Integer?
Break down integers with this video. A teacher gives a basic definition and provides several examples of integers. The examples cover numbers that are integers as well as numbers that are not integers. A concise video, this resource...
Curated OER
What are Natural and Whole Numbers?
The natural numbers begin at 1, 2,3 ... and go to infinity. The whole numbers begin at 0, 1, 2,3 É and go to infinity. So the only difference between natural numbers and whole numbers is zero.
Curated OER
How Do You Multiply a Whole Number by a Fraction?
A demonstration of how to multiply a whole number times a fraction.
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.
Curated OER
What's Another Definition for an Integer?
Break down integers with this video. A teacher gives a basic definition and provides several examples of integers. The examples cover numbers that are integers as well as numbers that are not integers. A concise video, this resource...
Curated OER
What's an Integer?
Introduce your class to integers with this video. This video provides a definition of integers, using examples of numbers that are integers and numbers that are not. A straightforward video that could be used to teach the concept as well...
Virtual Nerd
What is Place Value for Whole Numbers?
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Virtual Nerd
How Do You Write a Whole Number Given in Words in Standard Form and in Expanded Form?
You are given a number that is written out in words and now you have to write it in numerical form, and you have to write it in expanded form. The teacher helps you identify the period values and the place values to write the words in...
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 Write a Whole Number Given in Expanded Form in Standard Form and in Words?
You've been given a number written in expanded form. You have to write it in standard form, and in word form. The instructor does a nice job illustrating and explaining just how to do both of these operations.
Curated OER
How Do You Put Whole Numbers in Order From Least to Greatest?
So you want to put some given values in order from least to greatest? 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...