Curated Video
Using Digits and Place Value to Count Objects in Groups of 10
The video explains how to use digits and place value to count objects in groups of 10. It reviews the number system and base 10 blocks, and provides examples of counting chocolate chip cookies and cans on shelves. The video also...
Curated Video
Efficient Counting: Skip Counting by Fives, Tens, and Hundreds
In this video lesson, students learn how to count objects efficiently by skip counting by fives, tens, and hundreds. By breaking groups of objects into smaller, manageable sets, students can quickly determine the total count without...
Curated Video
Identifying Addition and Subtraction Patterns Using a Hundreds Chart
In this video, students learn how to identify addition and subtraction patterns using a hundreds chart. The teacher explains the concept of patterns, even and odd numbers, and demonstrates how to count by 10s and 2s, as well as how to...
Curated Video
Solving Word Problems by Making Easier Problems
In this video, the teacher explains how to solve word problems by making them easier. They use the example of counting magnets in a pile to demonstrate how to break down the problem using place value.
Curated Video
Understanding Place Value
This video is an educational lesson that teaches about place value and how to understand the relationship between the different place values within a number. The lesson explains how to count the number of ones, tens, and hundreds that...
Curated Video
Identifying Patterns in Skip Counting by Tens
In this video, students learn how to identify patterns when skip counting by tens using a hundreds chart. The video explains that skip counting by tens creates a straight column on the chart, with the digit in the ones place staying the...
Curated Video
Skip-Counting by 10s and 100s with Base-10 Blocks
In this video, students learn how to skip-count by 10s and 100s from any number using base-10 blocks. The teacher explains that skip-counting is counting by an amount larger than 1 and can start from any number. Students practice...
Curated Video
Subtracting Numbers within 100 Using Base 10 Blocks
In this video, students learn how to subtract numbers within 100 using base 10 blocks. The teacher explains the concept of place value and demonstrates how to break apart numbers to make subtraction easier.
Curated Video
Adding with a Hundreds Chart
This video teaches students how to use a hundreds chart to add numbers. It demonstrates decomposing numbers and shows that the order of the addends does not change the sum. Through examples with crayons and marbles, students learn how to...
Curated Video
Estimating Addition and Subtraction of Decimals Using Smart Rounding
In this video, students learn how to use smart rounding to estimate the addition and subtraction of decimals without performing the actual calculation. They learn how to round numbers to familiar or easy-to-work-with values and provide...
Curated Video
Explaining Addition Using Place Value
This video explains how to solve addition problems using place value. It teaches students how to break apart numbers and add the tens and ones separately.
Curated Video
Explaining Addition Using the Commutative and Associative Properties
In this video, students learn how to explain addition using the commutative and associative properties. Through examples and visuals, the video demonstrates how breaking numbers into tens and ones and applying the properties of addition...
Curated Video
Rounding Numbers Using a Number Line
In this video, the teacher explains how to round numbers to a specified place using a number line. The concept of benchmark numbers and midpoints is introduced to determine whether to round up or down. Common mistakes in rounding are...
Curated Video
Rounding to the Nearest 100 with Base Ten Blocks
This video teaches how to round numbers to the nearest hundred using base ten blocks. It begins with a review of base ten blocks and place value charts. Then, the video explains the process of rounding by considering the midpoint and...
Curated Video
Rounding to the Nearest 10 or 100 in Real World Situations
In this video, the teacher explains how to use rounding in real-world situations. Using examples such as estimating the number of students in a class, days until a birthday, fish in an aquarium, and pencils in a box, the teacher...
Curated Video
Expanded Notation: Reading and Writing Numbers Using Arrow Cards
In this video, the teacher explains how to show numbers using expanded notation. They demonstrate the use of arrow cards to understand place value and break down three-digit numbers into their hundreds, tens, and ones. The video also...
Curated Video
Subtracting Numbers to 1000 with Quick Picks and Regrouping
In this video, students learn how to subtract numbers up to 1000 using quick picks to assist with regrouping. The teacher explains the concept of subtraction and demonstrates different ways to write numbers without changing their value.
Curated Video
Regrouping and Decomposing in Subtraction with Zeros in the 10s or Ones Places
In this video, students learn how to subtract numbers that have zeros in the tens or ones places by regrouping or decomposing hundreds or tens. The teacher uses base 10 blocks to demonstrate the concept and guides students through two...
Curated Video
Adding Numbers to 1000 with Regrouping
In this lesson, students will learn how to add numbers up to 1000 using regrouping. They will understand the concept of place value and how to combine numbers to find their total.
Curated Video
Adding and Subtracting Money Using Mental Math
In this video, students learn how to add and subtract money using mental math. They practice skip counting to find the total amount and calculate change. The video emphasizes the importance of understanding that change should be less...
Weatherthings
Weather Things: Thunderstorm Wind
Lightning is spectacular, from a distance. It's nature's way of transferring electricity within the sky, or between the sky and the ground. When lightning is nearby, it is a threat to safety. People are struck by lightning, in many cases...
Curated Video
Exploring Number Models with Base 10 Blocks
In this video lesson, students learn how to represent numbers using base 10 blocks. They are shown two different models for each number and taught how to break down the blocks to show the value of each digit.
Curated Video
Add and Subtract 100 from a Number Using Place Value
In this video, students learn how to add 102 or subtract 100 from a three-digit number using a place value model. The teacher explains the concept by breaking down the number into hundreds, tens, and ones, and demonstrates how adding or...
Curated Video
Counting Forward and Backward Using Number Patterns
In this video, the teacher explains how to count forward and backward from a three-digit number using number patterns. The lesson emphasizes the base 10 place value system and demonstrates how changing one place can affect the entire...