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Pre-Algebra
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Pi
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These problems require knowledge of pi, the use of pi in a formula, or develop a student's understanding of pi, an irrational number. Pi Day is often celebrated on March 14 in schools in the United States.
- Related Resources
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Interactive resources from our Math Tools project:
Math 7: Number Sense
The closest match in our Ask Dr. Math archives:
Middle School: Pi
FAQ: About Pi
Resources from our Teacher2Teacher service:
FAQ: Pi
NCTM Standards:
Number and Operations Standard for Grades 6-8
Access to these problems requires a Membership.
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Accuracy Please
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. Considering precision, accuracy, and appropriateness in finding the volume of a cone.
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Baking Blackberries
- Annie Fetter
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Pre-Algebra, difficulty level 1. Which rectangular baking dish should I use?
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Bella's Bagel Bakery
- Suzanne Alejandre
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Pre-Algebra, difficulty level 1. How much more area is covered with cream cheese on the large bagel
than on the small bagel?
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Building a Snow Statue
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. Determine the height of a snow statue using the given information.
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Chamique the Archer
- Mr. Marthinsen's Geometry Class
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Pre-Algebra, difficulty level 3. Chamique wants to know the probability of hitting a bull's-eye with a randomly shot arrow.
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He Ate It All!
- Mr. Marthinsen's Geometry Class
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Pre-Algebra, difficulty level 3. The professor ate an entire pizza in 28 minutes. Figure out the size of the pizza.
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Partial Area
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. Find the area of the portion of the circle that is not included inside the inscribed square.
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Peanut's Back Yard
- Jonathan Bauer
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Pre-Algebra, difficulty level 3. Peanut, the overexcited dog, makes 40 laps around a stake and travels a total distance of 1 mile. If his bowl of water is 20 feet away from the stake, can he get a drink?
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Pi Day - Let's Eat Cake!
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. In honor of Pi Day we will be comparing the volumes of slices taken from round and rectangular cakes.
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Pi Day Treats
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. Help Mrs. Granville and Mrs. Germain plan a Pi Day celebration.
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Pizza Pie
- Judy Ann Brown
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Pre-Algebra, difficulty level 3. Use the given information to decide how many slices of the small pizza would be equal to or greater than 3 slices from the large pizza.
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The Scientific Notation Game
- Suzanne Alejandre
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Pre-Algebra, difficulty level 3. Help Jay think about how points are calculated in the Scientific Notation Game.
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Shine On Harvest Moon
- Judy Ann Brown
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Pre-Algebra, difficulty level 2. Find the area of the largest circle that can be cut from a nine-inch by twelve-inch sheet of paper.
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Valley Springs Snow Cream
- Kelly Crisp
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Pre-Algebra, difficulty level 3. Compare the volume of a sphere, cone, and cylinder using ice cream.
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Wondering about Water
- Annie Fetter
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Pre-Algebra, difficulty level 3. Find the surface area of an Olympic-size ice hockey rink.
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