Video lesson explores how to find the length and width of a …

Video lesson explores how to find the length and width of a rectangular table given the perimeter and area. [4:45]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This site provides six practice activities to learn how to partition a …

This site provides six practice activities to learn how to partition a rectangle into rows and columns of same-size squares and count to find the total number of them.

Coordinate geometry of rectangles is investigated in this video lesson. The tutorial …

Coordinate geometry of rectangles is investigated in this video lesson. The tutorial demonstrates how to use the midpoint, distance, and slope formulas to determine if a quadrilateral is a rectangle on a coordinate plane. [17:26]

This lesson [8:39] will demonstrate how to use slope, midpoint, and distance …

This lesson [8:39] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rectangle in a coordinate plane. It is 1 of 5 in the series titled "Coordinate Geometry of Rectangles."

Sal determines if shapes are divided into 2 or 4 equal sections. …

Sal determines if shapes are divided into 2 or 4 equal sections.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Models how to multiply fractional side lengths given in metric units to …

Models how to multiply fractional side lengths given in metric units to find the area of rectangles. [3:46]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Demonstrates using a visual model different methods for determining the area of …

Demonstrates using a visual model different methods for determining the area of a rectangle where the side lengths are fractions. Uses metric units. [7:02]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Explains the basic concept of the perimeter of geometric shapes with step-by-step …

Explains the basic concept of the perimeter of geometric shapes with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

This fifth-grade lesson explores the area of a rectangle with fractional side …

This fifth-grade lesson explores the area of a rectangle with fractional side lengths. We tile the rectangle with unit rectangles and show that the area is the same as would be found by multiplying the side lengths. We multiply fractional side lengths to find areas of rectangles.

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