Curated Video
Adding and Subtracting 10 with Regrouping Using Place Value Model
In this video, students learn how to add and subtract 10 with regrouping using a place value model. Explore the concept of place value and demonstrates how to write numbers in expanded form. Through examples and practice problems,...
Curated Video
Representing Equal Decimals by Adding Zeros
In this video, students learn how to represent equal decimals by adding zeros. The teacher uses examples with money to explain the concept, showing how decimals can be broken down into different parts.
Curated Video
Adding 10 or 100 Using Expanded Notation
In this video, students will learn how to quickly add 10 or 100 to any number using expanded notation. Understand the concept of place value and demonstrates how to write numbers in expanded notation. Through examples and practice...
Curated Video
Using the Commutative and Associative Properties to Add 2-Digit Numbers
In this video, students will learn how to use the properties of addition, such as the commutative and associative properties, to solve addition problems with two-digit numbers. They will also review the value of each digit within a...
Curated Video
Adding by Decomposing Numbers
In this video, the teacher explains how to build greater numbers by decomposing them. Decomposing involves breaking down numbers into their individual parts, such as tens and ones. The teacher provides examples and walks through the...
Curated Video
Finding the Value of Digits Using Pictures
In this video, a teacher explains that the value of a digit changes based on its location in the number and demonstrates this concept using squares and cubes to represent different values. Students are guided through examples to practice...
Curated Video
Subtracting by Using Addition: Mastering 2-Digit Subtraction
In this lesson, students will learn how to subtract large numbers by using addition. By understanding the relationship between addition and subtraction, students can reframe subtraction problems as addition sentences and use strategies...
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...
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
Rounding to the Nearest Hundred Using a Number Line
In this video, students learn how to round numbers to the nearest hundred using a number line. The teacher explains the concept of benchmark numbers and midpoints, and demonstrates how to determine whether to round up or round down based...
Curated Video
Subtracting Three-Digit Numbers Using a Number Line
In this video, the teacher explains how to subtract three-digit numbers using a number line. They demonstrate how to draw a number line and use it to find the difference between two numbers.
Curated Video
Adding Three-Digit Numbers Using Expanded Form
The video demonstrates how to add three-digit numbers without drawing pictures but by using expanded form. The host explains how to expand each number and add the values of the hundreds, tens, and ones separately. The process is shown...
Curated Video
Adding Within 1,000 by Regrouping Base 10 Blocks
This video teaches students how to break numbers within 1,000 into base 10 blocks and regroup them to find the sum. The lesson emphasizes the importance of properly regrouping and removing extra ones or tens to arrive at the correct answer.
Curated Video
Subtracting with Base 10 Blocks within 1,000
In this video, students learn how to subtract numbers within 1,000 using base 10 blocks. The teacher explains the concept of regrouping and demonstrates the process step by step. Students also learn the importance of removing extra tens...
Curated Video
Choosing Strategies for Explaining Addition and Subtraction
In this lesson, students will explore different strategies to prove correctness, including using place value, breaking numbers apart, and utilizing the commutative and associative properties of addition. By analyzing examples and...
Curated Video
Subtracting Three-Digit Numbers Using Base 10 Blocks
In this video, the teacher explains how to subtract two three-digit numbers using base 10 blocks. The students are shown how to line up the numbers in a chart and use the blocks to visualize the subtraction process.
Curated Video
Understanding Place Value Charts and How They Work
This video explains the concept of place value and how different places in a place value chart are related. The video emphasizes the importance of considering the place value of each digit when writing numerals and highlights common...
Curated Video
Writing Numbers as Words
In this video, students learn how to write numbers as words by understanding standard form, expanded form, and word form. They also learn about the tricky numbers like teens and tens and how to correctly write them.
Curated Video
Writing Numbers in Expanded Form
In this video, the teacher explains how to write numbers in expanded form by considering the value of each digit. They demonstrate examples using different numbers and emphasize the importance of understanding the place value system.
Curated Video
Writing Numbers in Expanded Form Using Arrow Cards
In this video, students learn how to read and write numbers in expanded form using arrow cards. The teacher explains the concept of expanded form and demonstrates how to break down numbers into their specific values. Students are also...
Curated Video
Modeling and Writing Numbers with Base 10 Blocks and Place Value Chart
In this video, students learn how to model and write numbers using base 10 blocks and a place value chart. They are guided through examples of different three-digit numbers and shown how to determine the value of each digit.
Curated Video
Subtracting Three-Digit Numbers Using Expanded Form
In this video, the teacher explains how to find the difference between three-digit numbers without drawing pictures. They introduce the concept of expanded form and demonstrate how to subtract by breaking down the values of each digit.
Curated Video
Rounding to the Nearest 10 Using a Number Line
In this video, the teacher explains how to round numbers to the nearest 10 using a number line. The students are introduced to benchmark numbers and midpoints, which help determine whether to round up or down.
NUMBEROCK
Place Value
In Rob's journey through the pear orchard he'll discover that ten ones make ten, ten tens make one hundred, and ten hundreds make on thousand. Then he undertakes an epic bike ride - 100 miles! Holy Moly! As his trip nears its end, he...