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Curated Video
Explain how to compare the area of different shapes
Pupil outcome: I can compare the areas of different shapes. Key learning points: - The units of counting area must be the same if you want to compare the areas of different shapes. - The squares used to count the area must be the same...
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Explain what area is
Pupil outcome: I can explain what area is. Key learning points: - Some shapes are better than others to cover the surface and count the area. - The surface of the shape must be covered with no gaps or overlaps; the unit used must...
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Measure area using counting with squares as a strategy
Pupil outcome: I can use squares to cover the surface and count the area. Key learning points: - Using squares means that there are no gaps or overlaps. - Fractions of squares can be added to make whole squares.
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Measure the area of flat shapes using square centimetres
Pupil outcome: I can measure the area of shapes using square centimetres. Key learning points: - Area can be measured in square centimetres. - You write square centimetres as cm² - Fractions of square centimetres can be added to make...
Curated Video
Introduction to Area
Join us in this video and learn about area and a square unit, a way to measure area. We will also play some puzzle games and divide and create shapes from triangles and squares. Let's dive in!
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Square and Cubic Unit Dimensions
Square and Cubic Unit Dimensions defines a unit cube as a cube with side lengths of one unit and the volume of one cubic unit by identifying the difference between a square unit and a cubic unit.
Curated Video
Use the Area Formula
A video entitled “Use the Area Formula” which defines area and demonstrates how to use the formula A = l x w to solve area problems.
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Finding Area Using Arrays
A video entitled “Finding Area Using Arrays” which demonstrates tiling and using arrays to find the area of a rectangle, beginning with repeated addition and moving to multiplication.
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Completing the Square: Using an Area Model to Rewrite Quadratic Expressions
Learn how to rewrite a quadratic expression so that all of the variable terms are contained in a perfect square. We explore this process using area blocks and show how to complete the square in an expression. We also emphasizes the...
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Measuring Area with Different Units of Measure
This video explains how to measure area in different units of measure by using keys and grid paper. It demonstrates counting units of measure, such as votes, square centimeters, and square inches, to determine the area of different...
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Finding the Area of a Polygon Using a Key to Count Square Tiles
In this video, the teacher explains how to find the area of a polygon by using a key to count the square tiles. The key provides information on how many square units each square tile represents.
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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...
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Perfect Squares and Square Roots: Understanding and Finding Them
In this video, students will learn how to determine if a number is a perfect square and how to find its square root. The teacher explains that a perfect square can be formed by arranging a certain number of unit squares into a square...
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Choosing the Right Unit of Measure for Area
In this video, the teacher explains how to decide which unit of measure to use when measuring area. They demonstrate the concept of square units and how they can vary in size depending on the measurement unit. Through examples of a...
Curated Video
Finding the Area of a Rectangle: Making Connections with Arrays
In this video, students learn how to find the area of a rectangle by connecting it to arrays. They understand that area is the space inside a closed shape and can be found by counting the square units that fit inside it.
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Understanding Square Units and Cubic Units
In this video, the teacher explains the difference between square units and cubic units by analyzing dimensions. Square units are used to measure area in 2D figures, while cubic units are used to measure the amount of space occupied by...
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Finding the Area of a Rectangle or Square: Counting Square Units
In this video, the teacher explains how to find the area of a rectangle or square by counting square units. They review the concept of area as the space within a shape and emphasize the difference between area and perimeter.
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Finding the Perimeter of a Polygon on Grid Paper
In this video, the teacher explains how to find the perimeter of a polygon by counting units on grid paper. They emphasize the difference between area and perimeter, and highlight common mistakes such as counting the whole square unit...
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Writing and Interpreting Expressions for Surface Area of Geometric Objects
In this video, students learn how to write and interpret expressions to calculate the surface area of geometric objects. The teacher emphasizes the importance of using the correct formulas and identifies the visible and hidden surfaces...
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Finding the Area of a Rectangle Using Square Units
In this video, students will learn how to find the area of a rectangle using square units. The teacher emphasizes the importance of covering the entire space of the shape with square tiles, without any gaps or overlaps.
Curated Video
Finding the Area of a Rectangle Using an Array
In this video, students learn how to find the area of a rectangle without counting every square unit. They are introduced to the concept of using an array to represent the area, which is more efficient and accurate.
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Finding Area with Square Units
In this video, students learn that a square unit is a square tile, and using these tiles to cover the entire shape helps determine its area. The video emphasizes the importance of using square units of the same size throughout the shape...
Curated Video
Calculating the Area of a Rectangle Using Square Units
This video provides a lesson on how to determine the area of a rectangle by using square units. It explains the concept of a plane figure and the attributes used to describe it. The video also distinguishes between area and perimeter and...
Curated Video
Finding Near Squares Using Polynomial Identities
In this lesson, students will learn how to find the nearest square of a number using a polynomial identity. They will understand the concept of a near square, which is a number that is one unit less than a perfect square. By applying the...