Instructional Video3:49
Curated Video

Multiplication Using an Open Number Line

K - 5th
In this video, students learn how to use an open number line to solve multiplication problems. The teacher explains the concept of multiplication as groups of objects and demonstrates how to represent multiplication using hops on a...
Instructional Video3:28
Curated Video

Finding Perimeter: Solving Real-World Problems

K - 5th
This video lesson teaches students how to find the perimeter of a polygon by solving real-world problems. It provides examples of finding the perimeter of a rectangular soccer field and a square garden, helping students apply their...
Instructional Video4:42
Curated Video

Division of Unit Fractions by Whole Numbers: Solving Real-Life Problems

K - 5th
In this video transcript, the teacher explains how to solve problems involving the division of unit fractions by whole numbers using fraction models, number lines, or pictures. The teacher provides examples, such as dividing a candy bar...
Instructional Video5:43
Curated Video

Adding Within 1,000 Using an Open Number Line

K - 5th
In this video, students learn how to add numbers within 1,000 using an open number line. The teacher explains the concept of place value and the commutative property of addition.
Instructional Video3:36
Curated Video

Expanding Numbers to Add or Subtract: Using Expanded Form

K - 5th
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...
Instructional Video3:09
Curated Video

Describing the Relationship Between Expressions Using Parentheses

K - 5th
This video explains how to describe the relationship between two expressions without actually calculating them. The use of parentheses is emphasized to determine the order of operations. Through visual representations with cubes, the...
Instructional Video4:58
Curated Video

Understanding Reciprocals: The Inverse Relationship between Multiplication and Division

K - 5th
In this lesson, students will learn about reciprocals and how to determine the reciprocal of a number or fraction. The lesson emphasizes the inverse relationship between multiplication and division and uses rectangular models to...
Instructional Video2:35
Curated Video

Adding 10 Across 100 with Base 10 Blocks

K - 5th
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...
Instructional Video4:18
Curated Video

Ordering Integers Using a Number Line

3rd - 5th
Compare and order integers using the number line.
Instructional Video8:11
Curated Video

Number Bonds

Pre-K - 3rd
Theo learns about numbers that add up to ten, and discovers that number bonds rock.
Instructional Video2:04
Curated Video

Missing Numbers in Fraction Addition: Solving for the Unknown

3rd - 5th
This video shows the process for solving the problem presented in SATs 2022 Paper 3 Q13, which involves finding mission fractions. Students will use the concept of equivalent fractions to determine the missing fraction in an addition...
Instructional Video3:50
Curated Video

Explaining Subtraction Number Sentences

K - 5th
In this video, the teacher demonstrates how to explain the solution to a subtraction problem in multiple ways. Using base 10 blocks and a number line, the teacher shows the process of decomposing numbers and making jumps to find the answer.
Instructional Video2:34
Curated Video

Multiplication as a Comparison: Using Number Sentences

K - 5th
In this video, the teacher explains how multiplication can be thought of as a comparison. They use bar models to visually represent the multiplication sentences and show how the bottom bar is a certain number of times longer than the top...
Instructional Video5:06
Curated Video

Multiplying Fluently by Subtracting from Groups of 10

K - 5th
In this video, students learn how knowing their 10s facts can help them solve multiplication problems quickly and fluently. The video demonstrates strategies for multiplying by subtracting from groups of 10. The commutative property of...
Instructional Video3:35
Curated Video

Drawing Arrays with Repeated Addition Sentences

K - 5th
In this video, students learn how to draw an array by using a repeated addition sentence. The teacher demonstrates how to create arrays by counting the number of rows and columns and repeating the same number.
Instructional Video6:48
Curated Video

Problem Solving with Measurement: Drawing Models to Find the Unknown

K - 5th
In this video, the teacher explains how to solve measurement problems by drawing models. They use examples of finding the length of a wire that was cut into three pieces and determining how many bows can be made from a given length of...
Instructional Video4:49
Curated Video

Multiplying Using Repeated Addition

K - 5th
In this video, students learn how to multiply by using repeated addition. The teacher explains the concept of multiplication, factors, and the product. Students also review addition double facts to help them multiply faster.
Instructional Video7:06
Curated Video

Subtracting Within 1,000 Using Base 10 Blocks

K - 5th
This video explains how to subtract numbers within 1,000 using base 10 blocks. It demonstrates the process step-by-step, showing how to break down the numbers into hundreds, tens, and ones, and how to subtract using the base 10 blocks.
Instructional Video4:05
Curated Video

Checking Division of Fractions Using the Inverse Relationship of Multiplication and Division

K - 5th
In this video lesson, students will learn about the inverse relationship between multiplication and division and how to use it to check their answers when dividing fractions. The teacher explains the concept of fact families and...
Instructional Video5:37
Curated Video

Division with Fractional Quotients: Using Visual Fraction Models

K - 5th
In this video, Mr. Collins teaches students how to solve division problems with fractional quotients greater than or equal to 1 using visual fraction models. He uses examples of dividing pounds of cat food among kittens and ounces of...
Instructional Video4:11
Curated Video

Finding the Area of a Rectangle Using Smaller Rectangles

K - 5th
In this video, the teacher explains how to find the area of a rectangle or square by breaking it down into smaller rectangles. They demonstrate this concept using two example problems and emphasize the importance of multiplying the...
Instructional Video3:44
Curated Video

Writing Repeated Addition Sentences Using Arrays

K - 5th
This video explains the concept of rows and columns in an array and provides a helpful analogy to remember their directions. Students practice writing addition sentences based on the number of objects in each row and column, ultimately...
Instructional Video3:24
Curated Video

Using a Number Line to Compare Lengths

K - 5th
In this video, students will learn how to use a number line to compare lengths and calculate distances. They will explore examples of using a ruler and a number line to measure and compare lengths. The video also demonstrates how to add...
Instructional Video3:04
Curated Video

Subtracting 10 or 100 Mentally Using Base 10 Blocks

K - 5th
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.