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2D Figures

These problems focus on twodimensional objects.
 Related Resources

Interactive resources from our Math Tools project:
Math 4: Geometry in the Plane
The closest match in our Ask Dr. Math archives:
Elementary Geometry
NCTM Standards:
Geometry Standard for Grades 35
Access to these problems requires a Membership.

Bunches of Basil
 Lisa Lavelle

Math Fundamentals, difficulty level 3. Determine the maximum number of basil plants I will have after I finish thinning the garden.
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Circles Around
 Lisa Lavelle

Math Fundamentals, difficulty level 3. Use this exploration problem to discover the relation between circumference and diameter.
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Cubic Changes
 Lisa Lavelle

Math Fundamentals, difficulty level 4. Determine how the volume and surface area of a cube change when the edge length is changed.
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Frog Farming
 Claire Mead

Math Fundamentals, difficulty level 2. Help Farmer Mead build a rectangular pen that holds the greatest
number of frogs.
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Frugal Flooring
 Marita Paynter

Math Fundamentals, difficulty level 2. Help Graeme determine how many tiles he needs to decorate his new bedroom and whether or not he can afford them.
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How Does Your Garden Grow?
 Team 7 Red Math Students  Highland Middle School

Elementary, difficulty level 4. Help the HMS students find out how many ways they can arrange their schoolyard garden.
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I Get A Kick Out Of Soccer!
 Judy Ann Brown

Math Fundamentals, difficulty level 3. How many laps of the soccer field would a team member need to complete to run more than a mile?
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Jellybean Rectangles
 Lisa Lavelle

Math Fundamentals, difficulty level 3. Have fun figuring out strategy in the Jellybean Rectangle game.
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Lost in Space
 Lisa Lavelle

Math Fundamentals, difficulty level 4. Figure out how big an error the engineers made when they mixed up their units.
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Lucky Lettuce Land
 Kainoa Trotter, et al.

Math Fundamentals, difficulty level 3. Help Farmer Lucky fence his lettuce land.
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MiniMall Measurements
 Claire Mead

Math Fundamentals, difficulty level 2. Use given measurements of the stores in the minimall to find the area
and dimensions of
other stores.
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MiniMovie Theater Seating
 Chrissy Stewart (adapted)

Elementary, difficulty level 3. How many rowdy kids can sit in the MiniMovie Theater?
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More Mowing Madness
 George Miller and Lisa Lavelle

Math Fundamentals, difficulty level 4. Where should Matt and Georgette change places to evenly split their "Mattmowing" work?
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Mowing Madness
 George Miller and Lisa Lavelle

Math Fundamentals, difficulty level 2. Using a special "Mattmowing" technique, find the dimensions of the last rectangle to be mowed in a 48 ft. by 64 ft. yard.
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Nova Scotia Quilt
 Claire Mead

Math Fundamentals, difficulty level 3. Use the area of a rectangular bed quilt to determine its dimensions.
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Puzzling Puzzle Pieces
 Lisa Lavelle

Math Fundamentals, difficulty level 2. Explore the ways 108 puzzle pieces can be arranged.
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Rabbit's Run
 Lisa Lavelle

Math Fundamentals, difficulty level 1. Help Regina develop options for building her rabbit's run.
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Special Stars
 Lisa Lavelle

Math Fundamentals, difficulty level 2. Calculate the number of pipe cleaners Leah used to create a Star of David chain.
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Stained Glass Window
 Jackson First Year Algebra Class

Elementary, difficulty level 5. Find the size of a stained glass window for my front door.
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Tangrams
 Claire Mead

Math Fundamentals, difficulty level 2. Discover some of the relationships among the pieces in a set of Tangrams.
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Teresa's Tiles
 Kristina Lasher

Math Fundamentals, difficulty level 3. How many square tiles does Teresa need to cover her bathroom floor?
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The Teddy Bears' Banquet *
 Claire Mead

Math Fundamentals, difficulty level 3. How many bears can be seated at the banquet?
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Trapezoid Teatime
 Claire Mead

Math Fundamentals, difficulty level 3. Find out how many guests can sit at a row of trapezoid tables at the school volunteers' tea.
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Tricky Triangles
 Lisa Lavelle

Elementary, difficulty level 3. Arrange six toothpicks to create special triangles.
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