G-GPE.2.7

Use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e.g., using the distance formula. ★

Assessment Banner - Assessment Questions Now Available!
Formative Assessments
Formative Assessments
Assessment Logo. Includes a gray clipboard on a blue background.
Students are asked to find the perimeter of a pentagon given in the coordinate plane.
Pentagon’s Perimeter
Assessment Logo. Includes a gray clipboard on a blue background.
Students are asked to find the perimeter and the area of a right triangle given in the coordinate plane.
Perimeter and Area of a Right Triangle
Assessment Logo. Includes a gray clipboard on a blue background.
Students are asked to find the perimeter and area of an obtuse triangle given in the coordinate plane.
Perimeter and Area of an Obtuse Triangle
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
Content Coming Soon Logo
We're currently looking for great content to go here!
Change Me To Real Text
Content Coming Soon Logo
We're currently looking for great content to go here!
Change Me To Real Text
Content Coming Soon Logo
We're currently looking for great content to go here!
Change Me To Real Text
Assessment Questions
Assessment Questions
Assessments Logo. Includes 3 gray question marks on a purple background.
Click on this text to download this question.
FSA Sample Question
Content Coming Soon Logo
We're currently looking for great content to go here!
Change Me To Real Text
Content Coming Soon Logo
We're currently looking for great content to go here!
Change Me To Real Text
Videos of Expert Instruction
Videos of Expert Instruction
Decorative Light Bulb. Image includes gray lightbulb on purple background.
This researcher knows where your cat lives! Watch how he uses coordinates and the distance formula to plot the location of hundreds of thousands of cats on a map.
Cataloging Cats with Cartesian Coordinates
Use Real Link and Title
Use Real Link and Title
Math Literature
Math Literature
Achievement Level Descriptors Logo. Includes a dark gray document symbol on a yellow background.
This problem is a great context for finding the area of a triangle from coordinates.
How Big Is The Bermuda Triangle?
Achievement Level Descriptors Logo. Includes a dark gray document symbol on a yellow background.
The purpose of this task is to apply the Pythagorean theorem to calculate distances and areas.
Triangle Perimeters
Achievement Level Descriptors Logo. Includes a dark gray document symbol on a yellow background.
You are trying to buy a toy that is sold out in all of your local toy stores. You decide to use the Toys R Us website’s store locator to find the nearest store location.
Where’s The Nearest Toys R Us?
Achievement Level Descriptors Logo. Includes a dark gray document symbol on a yellow background.
We have “the diagonal’s length measured in inches” as well as the number of pixels along both sides of the display (1136 and 640) but we still need to find “the diagonal’s length measured in pixels.” This is where students will need to use the Pythagorean Theorem.
How Sharp Is The iPhone 5’s Retina Display?
Achievement Level Descriptors Logo. Includes a dark gray document symbol on a yellow background.
The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid.
Squares on a Coordinate Grid