Curated Video
Area, Right Triangle: T-Chart
Find the Area of a Right Triangle Using a T-Chart finds the area of a right triangle by using a T chart to describe both the mathematical operations and the written explanations.
Curated Video
Area: Isosceles Triangle
Area: Isosceles Triangle finds the area of an isosceles triangle by using a T chart to describe both the mathematical operations and the written explanations.
Curated Video
Area: Equilateral Triangle
Area: Equilateral Triangle finds the area of an equilateral triangle by using a T chart to describe both the mathematical operations and the written explanations.
Curated Video
Same Area, Different Perimeter
“Same Area, Different Perimeter” explains how rectangles that have the same area can have different perimeters.
Curated Video
Exploring Recursive Processes in Patterns
In this video, the teacher explains the concept of a recursive process by exploring patterns in linear and nonlinear relationships. They use examples of rectangles and l-shaped figures to demonstrate how the pattern can be extended and...
Curated Video
Understanding Area, Surface Area, and Volume: Choosing the Right Units
In this video, the teacher explains how to determine whether to find area, surface area, or volume in different situations by considering the units needed. The video provides examples and explanations for each measurement type, making it...
Curated Video
Finding Dimensions of Figures Formed by Removing Squares
In this video, students learn how to find the dimensions of a figure formed when removing a smaller square from a larger square. The teacher explains the concept of polynomial identities and demonstrates how to use them to find the...
Curated Video
Measuring Area with Grid Paper
In this video, students learn how to measure the area of shapes using grid paper. The video emphasizes the importance of focusing on the area of the shape on the grid paper, rather than the entire grid paper itself.
Curated Video
Finding Length of Unknown Sides: Area and Perimeter of Rectangles
In this video, we learn how to find the area and perimeter of a rectangle when the length of every side is not known. The teacher explains the formulas for calculating perimeter and area, and demonstrates how to use these formulas to...
Curated Video
Apply the Area of Squares Proof to determine if a triangle is a right triangle
In this lesson you will learn how to determine if a triangle is a right triangle by applying the Area of Squares Proof.
Curated Video
Understanding Multiplication as Area: Using a Multiplication Table
In this lesson, students will learn how to represent products as areas using a multiplication table. They will understand that the product of two factors can be found by matching the row and column of the multiplication table.
Curated Video
Polynomial Identity and Combined Area of Consecutive Squares
In this video lesson, students will learn how to describe the combined area of two squares using consecutive integers. They will explore polynomial identities and how to write expressions to represent the relationship between consecutive...
Curated Video
Finding Area Using Multiplication: Understanding Length and Width
This video lesson teaches students how to find the area of a polygon by multiplying the length and width. It explains the concept of area and reviews the use of arrays for multiplication. The video also emphasizes the importance of not...
Catalyst University
Fick's First Law (2): Flux and Concentration Gradient With Example #1
Fick's First Law (2): Flux and Concentration Gradient With Example #1
Curated Video
Completing the Square in Quadratic Expressions with Leading Coefficient Not Equal to 1: Area Model
In this video, the teacher uses area blocks to visually represent the polynomial and demonstrates how to rearrange the blocks to form completed squares. By adding and subtracting blocks, the teacher shows how the expression can be...
Curated Video
Using Scale Factors to Find the Area of Scale Drawings
In this video, the teacher explains how to use a scale factor to find the area of a scale drawing. They demonstrate how multiplying the length and width of the original figure by the scale factor does not generate the scaled area....
Curated Video
Applying Formulas for Area and Surface Area in Real World Problems
In this video, you will learn how to evaluate expressions for the area of a square and the surface area of a cube. By understanding the formulas and applying them to real-world problems, you will be able to calculate the area of a square...
Curated Video
Finding the Area of a Scaled Drawing
This video explains how to find the area of a scaled drawing by using scaled dimensions. It demonstrates how to multiply the length and width of a scaled rectangle to find the scaled area. The video also emphasizes the importance of...
Curated Video
Finding the Area of a Rectangle Using Area Models
In this video, students learn how to find the area of a rectangular garden by using area models. The teacher explains the concept of area and the formula for finding it, as well as the difference between area and perimeter.
Curated Video
Finding Unknown Lengths and Widths of Rectangles Using Mathematical Reasoning
In this video, the teacher explains how to find unknown lengths and widths of rectangles by applying mathematical reasoning to a known area. They demonstrate this concept using examples and guide students through solving problems...
Curated Video
Finding Areas of Rectangles Using Mathematical Reasoning
In this video, the teacher explains how to find the area of rectangles by multiplying the length and width. They also discuss the concept of perimeter and how to use mathematical reasoning to solve problems involving rectangles.
Curated Video
Decomposing Rectangles
In this lesson, students will learn how to decompose rectangles using benchmark numbers. Benchmark numbers help make estimating easier, and by decomposing the array, students can break it down into smaller parts to better understand the...
Visual Learning Systems
Perimeter and Area: What Is Area?
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Curated Video
Rectangles: Same Area, Different Perimeter
In this video, the teacher explains that rectangles can have the same area but different perimeter. The concept is demonstrated through building rectangles and organizing the information into a chart.