Curated OER
Measuring with Mathematics
Eighth graders discover how the change in the dimensions of a shape cause a change in the overall area of the shape, but the perimeter stay the same. They, in groups, go out to the playground and construct large areas using stakes and rope.
Curated OER
Geometry: Area
Learners visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.
PBS
Pbs Learning Media: Skate Off: Final Round, Inez vs. Rimm
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
That Quiz
That Quiz: Practice Test: Geometry
This resource allows users to test their geometry knowledge.
Discovery Education
Discovery Education: Architects in Action
Through this lesson, students will learn how to use ratios to create a scale drawing of their classroom's floor plan. It provides adaptations, discussion questions, assessment rubric, and suggested readings to help develop students'...
Other
Uss Constitution Museum: Room to Set Sail
This is a USS Constitution Museum resource that has students compare the area of the size of the sails of the USS Constitution as it compares to their classroom.
Texas Instruments
Texas Instruments: Investigating Area Relationships
The interactive Cabri Jr. geometry application makes it easy to measure the area of triangles and quadrilaterals. In this activity, students will explore some interesting area relationships in quadrilaterals.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Area Compare [Pdf]
Area Compare is a learning activity that applies the skills to create, find, and compare the areas of rectangles.
National Council of Teachers of Mathematics
Nctm: Illuminations: Scale Factor
The interactive applet allows learners to explore the relationships between side length, area, and perimeter. Students see how changes in the scale factor influence the ratio of areas and perimeters. [Requires Java.]
CK-12 Foundation
Ck 12: Geometry: Unknown Dimensions Using Formulas Grade 7
[Free Registration/Login may be required to access all resource tools.] Given a perimeter or area of a figure, use formulas to solve for the unknown or missing dimensions.
CK-12 Foundation
Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
Sophia Learning
Sophia: Discovering Volume
This video lesson introduces the concept of volume by relating it to area. The tutorial provides detailed examples.
National Council of Teachers of Mathematics
Nctm: Illuminations: Circle Area
Explore what the relationship the radius has to the area of a circle. Click the instructions to learn how to use this interactive resource and select"Exploration" for more ideas.
CK-12 Foundation
Ck 12: Geometry: Area of Composite Shapes
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the area of composite shapes. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Area of Composite Shapes
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area of a composite shape. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Rice University
Rice University: Cynthia Lanius: Mathematics of Cartography
Can there be a connection between map making and math? Explore the mathematics of cartography in this resource that integrates web-based instruction, mathematical problem solving, geometry, history, and art. Interesting information and...
Better Lesson
Better Lesson: Design Your Dream House Day 2
Area comes alive when you design your own space.
Better Lesson
Better Lesson: Area With Halves
Fractions can be used to understand halves of a unit square.
Better Lesson
Better Lesson: Length X Width
Breaking figures into smaller squares and rectangles allows me to multiply to find the area
Shodor Education Foundation
Shodor Interactivate: Shape Builder
This activity operates in one of two modes: auto draw and create shape mode, allowing you to explore relationships between area and perimeter.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Surface Area and Volume:prisms
This site from the Drexel University is a detailed explanation of area and volume for those who have trouble with the concept and need an explanation of how they are related and their differences, and other basic concepts for a clear...
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Sophia Learning
Sophia: Finding the Area of a Sector Using the Central Angle: Lesson 2
This lesson explains how the central angle can be used to determine the area of a sector and presents several practice problems. Includes answers and a short quiz. It is 2 of 5 in the series titled "Finding the Area of a Sector Using the...
ClassFlow
Class Flow: Customary Measurement
[Free Registration/Login Required] This flipchart provides practice opportunities and instruction for several types of measurement.