Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
PHET
Area Builder
All that matters is the tiles. Pupils use the interactive to investigate the relationship between area and perimeter using tiles. The interactive has an explore and a game mode to accommodate different steps in learning. The game mode...
PBS
Arguing over Area
With the help of the Area Officers and Perimeter Patrol, you learners will develop a better understanding of area and its relationship to perimeter. First, they view a video clip from Cyberchase, and then they visit a website to...
Alabama Learning Exchange
Abundant Area
Explore the relationship between perimeter and area. Learners input the area and perimeter for shapes on the Shape Explorer website, solve problems using geoboards, complete a worksheet, create a PowerPoint presentation, and take an...
That Quiz
That Quiz: Practice Test: Shapes
This resource provides a practice geometry quiz for students to use.
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: Elem Math: Determining Unknown Angles Within Rectangles and Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine missing angles within rectangles and squares.
Better Lesson
Better Lesson: How Much Paint Do We Need?
This lesson is a real world task that combines many skills the students have learned throughout the school year.
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
Other
Nearpod: Area & Perimeter: Rectangle
In this lesson plan on area and perimeter, 3rd graders will learn how to find the area and perimeter of rectangles by applying formulas.