Illustrative Mathematics
Illustrative Mathematics: 3.md Shapes and Their Insides
The purpose of this task is to help students differentiate between a polygon and the region inside of a polygon so that they understand what is being measured when the perimeter and area are being found. Aligns with 3.MD.D.
![Arts Now Learning: Performing Perimeter [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Arts Now Learning: Performing Perimeter [Pdf] Lesson Plan")
ArtsNow
Arts Now Learning: Performing Perimeter [Pdf]
In this lesson, 3rd graders calculate the perimeter of various geometric shapes and represent the perimeter with a movement phrase. They will identify the types of angles within each shape. Other students will identify the shape that was...
Khan Academy
Khan Academy: Decompose Figures to Find Area 2
Practice decomposing irregular shapes to find their area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Khan Academy
Khan Academy: Decompose Figures to Find Area 1
Practice decomposing figures into rectangles to find area. Some figures are on grids. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.C.7.d...
CK-12 Foundation
Ck 12: Elem Math: Given the Area Find the Side Length and Perimeter Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter and side length of a square when given the area of a square....
Better Lesson
Better Lesson: Filling in the Middle
Students use both area and perimeter to work with geometric shapes.
Better Lesson
Better Lesson: Area in Real Life With Irregular Polygons
Dividing an irregular shape into rectangles helps students find the area of an irregular shape.
Better Lesson
Better Lesson: Area of Irregular Polygon
Third graders look for break apart irregular polygons to make arrays to find the area of these common shapes.
National Council of Teachers of Mathematics
Nctm: Illuminations: Area of Triangles
To find the area of a triangle, try to make a parallelogram using a copy of the triangle.
National Council of Teachers of Mathematics
Nctm: Illuminations: Area of Rectangles
This applet allows for the exploration of the area of rectangles.
Better Lesson
Better Lesson: Perimeter Measuring Around
This lesson focuses on the addition measurement of perimeter using real world examples.
Better Lesson
Better Lesson: Design a Space Using Area Models Day 1 and Day 2
Third graders use area models to find the total area of a store, home, or other real world space.
Better Lesson
Better Lesson: Differences With Shapes
Differences between shapes are determined through measurement skills.
Better Lesson
Better Lesson: Broken Ruler Measurements
Using a broken ruler requires students to turn to addition and subtraction skills in order to determine measurements.
Better Lesson
Better Lesson: Subtraction With Perimeter & Shapes
Subtraction problems can involve shapes, attributes and perimeter.
Better Lesson
Better Lesson: What Is the Perimeter?
I can create polygons and find the perimeter by using the unit squares on my paper
Quia
Ixl Learning: Perimeter
Brush up on your math skills relating to perimeter then try some practice problems to test your understanding.
Quia
Ixl Learning: Trapezoids
Brush up on your math skills relating to trapezoids then try some practice problems to test your understanding.
Quia
Ixl Learning: Rectangles
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
Quia
Ixl Learning: Squares
Brush up on your math skills relating to squares then try some practice problems to test your understanding.
Quia
Ixl Learning: Area of Rectangles
Brush up on your math skills relating to the area of rectangles then try some practice problems to test your understanding.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Multiplication and Area
A guide to support parents as they work with their students in multiplication and area.
PBS
Pbs: Count on It!: Blossom and Snappy Redecorate, Part 2
Blossom and Snappy redecorate the messy garage which involves measuring lengths and calculating area. They learn some ideas on redecoration by visiting a furniture store, a neon company, and an art supply store. They turn junk into...
Mr. Martini's Classroom
Mr. Martini's Classroom: Teacher's Figure Library: Geometric Figures
This interactive resource provides an example picture of the geometric figure chosen by students to review.