Curated Video
Understanding Place Value
This video will explain what place value is and the different place value headings from units to thousands. Practice questions and answers are at the end of the video.
Curated Video
Adding Numbers Using an Open Number Line
This video explains how to add multi-digit whole numbers using an open number line. The process is demonstrated by breaking down the numbers into expanded form and then making jumps on the number line to add the parts together.
Curated Video
Explaining Addition Number Sentences in Multiple Ways
In this video, the teacher explains two different methods for solving addition number sentences. The first method is using expanded form, where each digit is expanded to its value and then added together. The second method is using a...
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Assessing the Reasonableness of Sums Using Regrouping
In this lesson, students will learn to use estimation to check if sums are correct by regrouping numbers and adding them together. This strategy allows them to quickly determine if an answer is reasonable or if further calculations are...
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Dividing Whole Numbers by 10 and 100 Using Place Value
In this video lesson, students learn how to divide whole numbers by 10 and 100 by understanding the concept of place value. They discover that when dividing by 10, the digits shift one place to the right, and when dividing by 100, the...
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Expanding Numbers to Add or Subtract: Using Expanded Form
In this lesson, students learn how to expand a number to add or subtract 10 or 100 using expanded form. The teacher explains the concept by breaking down numbers into their place values and demonstrates how to perform the operations...
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Skip Counting by Fives: Identifying Patterns Using a Number Line
In this video, students learn how to identify patterns when skip counting by fives using a number line. The teacher explains the concept of skip counting and demonstrates how to count by fives on a number line from 0 to 40. The teacher...
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Assessing the Reasonableness of Multiplication Using Rounding
In this lesson, students learn how to assess the reasonableness of multiplication problem answers using rounding. They are taught to round each factor to the leftmost digit and then multiply to check if the answer is close to their...
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Adding 10 Across 100 with Base 10 Blocks
Learn how to add 10 to a three-digit number using base 10 blocks. They demonstrate that when adding 10 to a number, it can sometimes result in a new hundred. The teacher provides a clear example and walks through the process...
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Adding Multi-Digit Whole Numbers Using Partial Sums
In this lesson, students learn how to add multi-digit whole numbers using partial sums and expanded form. They understand the value of each digit based on its location in the number and break down the numbers into expanded form to add...
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Identifying Even and Odd Numbers Using Number Patterns
In this video, the teacher explains the most efficient way to determine whether a number is even or odd. By focusing on the patterns in the ones place, students can easily identify if a number is even or odd by expressing it as a doubles...
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Understanding Place Value and Powers of 10
In this video, students learn about the relationship between numbers with different place values using base 10 blocks. Explore how the value of each place in a number is 10 times greater than the place to its right. Through examples of...
Curated Video
Representing Numbers
In this video, the teacher explains how to represent larger numbers using just paper and pencil. By breaking the numbers apart by place value, students can draw simple and organized representations that help them understand the value of...
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Adding and Subtracting 10 Using a Number Chart and Place Value Model
In this lesson, students will learn how to add or subtract 10 from 3-digit numbers using a number chart. The video explains that when adding or subtracting with 10, the tens place changes while the ones place remains the same.
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Dividing Multidigit Numbers Using Base 10 Blocks
In this lesson, students will learn how to fluently divide multidigit numbers using base 10 blocks. They will understand the relationship between multiplication and division as inverse operations and how to use the standard algorithm to...
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Assessing the Reasonableness of Sums with Rounding
In this video lesson, students will learn how to assess the reasonableness of addition problems by using rounding. The teacher explains the process of rounding each number to the leftmost place of the smallest number and then adding them...
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Identifying Patterns when Skip Counting by Hundreds
In this video, students learn how to identify patterns when skip counting by hundreds using base 10 blocks and a place value chart. The teacher explains the concept of skip counting and demonstrates how to use base 10 blocks to visualize...
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Efficiently Adding Large Numbers Using the Standard Addition Algorithm
This video explains how to efficiently add large numbers using the standard addition algorithm. The steps include lining up the numbers correctly and adding the common place values together and using a place value chart to visualize the...
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Subtracting 10 or 100 Mentally Using Base 10 Blocks
In this video, students learn how to mentally subtract 10 or 100 from a three-digit number by visualizing base 10 blocks. The teacher explains the concept of place value and demonstrates the process using examples.
Curated Video
Understanding Place Value: Multiplying by Powers of 10
This video explains the relationship between the values of different places in a number by multiplying them by a power of 10. Examples and visuals are used to demonstrate how each place represents a certain value, such as ones, tens,...
Curated Video
Subtracting Using Expanded Notation
This video lesson teaches students how to quickly subtract 10 or 100 from any number using expanded notation. It explains the concept of place value and demonstrates how to break down a number into its hundreds, tens, and ones.
Curated Video
Mental Math: Adding 10 or 100 using Base 10 Blocks
This video explains how to add 10 or 100 to a number in your head using mental visualization of base 10 blocks. The instructor reviews the structure of three-digit numbers and how each digit represents different values depending on its...
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Place Value: Understanding the Value of Digits in a Number
In this educational video, viewers will learn about the concept of place value and how it determines the value of a digit in a number. The video explains that the position of a digit in a number has a value called place value, and as we...
Curated Video
Subtracting 10 Across Hundreds with Base Ten Blocks
The video teaches how to subtract 10 from three-digit numbers that have no tens in the tens place by using base ten blocks. The instructor explains how to decompose a hundred flat into 10 tens and then take away one to get the new...