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  perimeter checkmark



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Elementary: Perimeter

The Elementary Problem of the Week offers several problems in which a knowledge of geometry is important in finding the perimeter of a shape. These problems, listed below, address the NCTM Geometry Standard for Grades 3-5 expectation that students will be able to analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships.

For background information elsewhere on our site, explore the Elementary Geometry area of the Ask Dr. Math archives. To find relevant sites on the Web, browse and search Euclidean Plane Geometry in our Internet Mathematics Library; to find elementary sites, go to the bottom of the page, set the searcher for late elementary level (3-5), and press the Search button.

Access to these problems requires a Membership.

Bunches of Basil - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 3. Determine the maximum number of basil plants I will have after I finish thinning the garden. ... more>>

Jellybean Rectangles - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 3. Have fun figuring out strategy in the Jellybean Rectangle game. ... more>>

Lucky Lettuce Land - Kainoa Trotter, et al.
teacher support active problem Math Fundamentals, difficulty level 3. Help Farmer Lucky fence his lettuce land. ... more>>

More Mowing Madness - George Miller and Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 4. Where should Matt and Georgette change places to evenly split their "Matt-mowing" work? ... more>>

Mowing Madness - George Miller and Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 2. Using a special "Matt-mowing" technique, find the dimensions of the last rectangle to be mowed in a 48 ft. by 64 ft. yard. ... more>>

Puzzling Puzzle Pieces - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 2. Explore the ways 108 puzzle pieces can be arranged. ... more>>

Rabbit's Run - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 1. Help Regina develop options for building her rabbit's run. ... more>>

Special Stars - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 2. Calculate the number of pipe cleaners Leah used to create a Star of David chain. ... more>>

Sprinkler Spray - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 4. Compare the radii of three sprinklers in Lily's garden. ... more>>

Stained Glass Window - Jackson First Year Algebra Class
teacher support active problem Elementary, difficulty level 5. Find the size of a stained glass window for my front door. ... more>>

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