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Curated Video
Comparing and Analyzing Triangles by their Sides
In this lesson, the teacher explains how to compare and analyze triangles by their sides. The lesson covers different types of triangles, including equilateral, isosceles, and scaling triangles, and how to identify them based on their...
NUMBEROCK
Comparing Decimals: Less Than, Greater Than
Slater is a very hungry alligator who always eats the number that is greater! Watch him walk around his hometown marsh and swamp as he eats human food and goes apple picking for the largest apple he can find. On a somewhat unrelated side...
Curated Video
Breaking Apart Numbers to Explain Subtraction
In this video, we learn different ways to break apart numbers to make subtraction easier. We can use words, place value blocks, drawings, and addition to explain subtraction. By breaking apart numbers in different ways, we can compare...
Curated Video
Equivalent Mixed Numbers and Decimals on a Number Line
In this video lesson, students learn about the equivalence of mixed numbers and decimals by comparing them on a number line. It demonstrates how to convert decimals to mixed numbers and vice versa, and shows that all three forms...
Curated Video
Comparing and Ordering Numbers to the Millions Place
In this video lesson, students will understand that each digit represents a place value and that moving to the left increases the value by an order of 10. By comparing the digits from left to right, they will be able to determine which...
Curated Video
Subtracting Within 20: Finding the Difference Between Two Numbers
This video is a math lesson that teaches how to subtract within 20 by finding the difference between two given numbers. The video starts by reviewing the definition of subtraction and explaining how subtraction is related to addition...
Math Fortress
Algebra I: Variables (Level 2 of 2)
This video goes over a couple of examples showing how to determine if a statement is true or false, how to simplify numerical expressions and how to evaluate variable expressions.
Wonderscape
Counting and Comparing Numbers
In this video, children learn about numbers by counting and comparing different groups of candies. They practice counting from 1 to 10 and learn how to determine which group has more or less candy. They also learn about the symbols for...
Curated Video
Classifying and Comparing Quadrilaterals
In this video, students will learn that quadrilaterals with two pairs of parallel sides are called parallelograms, while those with only one pair of parallel sides are called trapezoids. The video also introduces a special type of...
Visual Learning Systems
The Importance of Sleep
This video discusses the importance of sleep for humans and other animals. The video also advises those who have trouble sleeping to discuss their problems with a doctor, as many people have sleep disorders that prevent them from getting...
Curated Video
Proving the Circumference Formula of Circles
In this video, the teacher explains how to prove the formula for the circumference of a circle by dissecting the circle and making comparisons. The students are guided through the process of unrolling the circle to see how the...
Curated OER
What Does the Slope of a Line Mean?
Evaluate the steepness of lines, also known as the slope, by watching this video. A tutor explains what the slope of a line is and compares two different lines to demonstrate slope. A practical introductory video for classes that are...
Curated OER
How Do You Figure Out Which of Two Fractions is Bigger?
Trying to decide which method to use to compare the value of two fractions? You could find a common denominator, you could turn them into decimals, or you could cross multiply. Let's cross multiply because we like to multiply more than...
Curated OER
What Does the Slope of a Line Mean?
Evaluate the steepness of lines, also known as the slope, by watching this video. A tutor explains what the slope of a line is and compares 2 different lines to demonstrate slope. A practical introductory video for classes that are just...
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...
Virtual Nerd
How Do You Use Unit Rates to Compare Rates?
Cupcakes, cupcakes, cupcakes! Where shall we buy some cupcakes? There are two stores selling cupcakes and we would like to know which one has the better deal. The instructor demonstrates how to find a unit rate for the cupcakes at each...
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 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...
Sophia Learning
Sophia: Relating Positive and Negative Numbers: Lesson 1
This lesson discusses the relationship between positive and negative numbers. It is 1 of 13 in the series titled "Relating Positive and Negative Numbers."
Khan Academy
Khan Academy: Comparing Fractions: Tape Diagram
Demonstrates how to use fraction bars (i.e., tape) to compare fractions. [2:34]
Khan Academy
Khan Academy: Comparing Fractions With the Same Denominator
Fractions with the same denominator are compared with and without visual models. [3:10]
Khan Academy
Khan Academy: Comparing Fractions With the Same Numerator
Fractions with the same numerator are compared with and without visual models. [3:46]
NASA
Nasa: Ngss Engineering at Jpl: K 2 Ets1 3
Watch Dr. Chris Tanner describe some of the tests they carry out when comparing parachutes for the Low-Density-Supersonic-Decelerator, or LDSD, project to land larger and more massive objects on Mars. LDSD uses a large parachute to help...
Sophia Learning
Sophia: Relating Positive and Negative Numbers: Lesson 10
This lesson discusses the relationship between positive and negative numbers. It is 10 of 13 in the series titled "Relating Positive and Negative Numbers."