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: My Unique Perimeter Performance Task
I can create things that have their own unique perimeter.
CK-12 Foundation
Ck 12: Elem Math: Unknown Dimensions of Squares and Rectangles (Grade 3)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions in which students learn to compute linear measures, given edge or surface measures of...
CK-12 Foundation
Ck 12: Elem Math: Perimeter in Grid
[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 of a shape using a grid.
Khan Academy
Khan Academy: Find Perimeter When Given Side Lengths
In this exercise, students practice finding perimeter when given side lengths. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly. CCSS.Math.Content.3.MD.D.8 Solve real world and...
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.
University of Georgia
University of Georgia: Texas Area Estimate
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
PBS
Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...
CK-12 Foundation
Ck 12: Appropriate Tools for Measurement of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Choose appropriate tools and units for given measurement situations involving squares and rectangles.
National Council of Teachers of Mathematics
Nctm: Illuminations: Area of Trapezoids
Investigate how changes in the base and height of a trapezoid affect its area.
Texas Instruments
Texas Instruments: Maximizing the Area of a Rectangle
This activity is adapted from one of the TI books. Students measure lengths and widths of rectangles and record for the class to see. Each group's rectangle has the same perimeter, but different areas. After a discussion, students make...
Khan Academy
Khan Academy: Represent Rectangle Measurements
Label the given measurements in a diagram. Find the side length of a square when given the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 1
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 3
The purpose of this task is to ask students to write expressions and to consider what it means for two expressions to be equivalent. Aligns with 6.EE.A.
E-learning for Kids
E Learning for Kids: Math: Dojo: Area, Measurement, and Angle
Students will play learning games to explore area, measurement, and angles.
University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.
Illustrative Mathematics
Illustrative Mathematics: 7.g Designs
In this lesson plan, 7th graders use the formula for circles to determine the area and perimeter.
Khan Academy
Khan Academy: Find Area With Partial Unit Squares
Count unit squares and partial unit squares to find the area of shapes.
PBS
Pbs Learning Media: Skate Off: Round One
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
Better Lesson
Better Lesson: Measuring Metric Style
Using decimals and finding perimeter and area all while learning about the metric system.
CK-12 Foundation
Ck 12: Unknown Dimensions of Parallelograms Grades 6 7
[Free Registration/Login may be required to access all resource tools.] Find the unknown dimensions of a parallelogram given its area and another measurement.