- Accuracy Please - Judy Ann Brown
Pre-Algebra, difficulty level 3. Considering precision, accuracy, and appropriateness in finding the volume of a cone.
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- Baseball Attendance Figures - Judy Ann Brown
Pre-Algebra, difficulty level 3. Find the difference between the greatest possible number of people at the stadium and the least possible number of paid admissions to the game.
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- Building a Snow Statue - Judy Ann Brown
Pre-Algebra, difficulty level 3. Determine the height of a snow statue using the given information.
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- Can You Drink That Swimming Pool? - Kristina Lasher
Math Fundamentals, difficulty level 3. Estimating the amount of water in a pool. About how long would it take
to drink that much water?
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- Do you listen to WMTH or WALG? - Judy Ann Brown
Pre-Algebra, difficulty level 4. Each week listeners switch radio stations. Predict the long-term distribution of listeners for each station.
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- Horton's Clover Hunt - Lisa Lavelle
Math Fundamentals, difficulty level 4. Find out how fast Horton had to work picking clovers.
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- Irish Specials - Lisa Lavelle
Math Fundamentals, difficulty level 3. Calculate the final bill for our St. Patrick's Day dinner last week.
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- January Sales - Judy Ann Brown
Pre-Algebra, difficulty level 2. Mathematicians, put away your calculators and help Lynne estimate the cost of a set of golf clubs.
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- Money in the Bank - Judy Ann Brown
Middle School, difficulty level 2. All but seven of the 49 coins in my bank are quarters and nickels. How much money could I have?
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- More Balloons - Lisa Lavelle
Math Fundamentals, difficulty level 5. Here's a more difficult problem based on our balloon color preferences.
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- Penny Space - Lisa Lavelle
Math Fundamentals, difficulty level 4. Determine the space needed to store a million pennies.
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- Pushing Pennies - Lisa Lavelle
Math Fundamentals, difficulty level 3. Estimate the number of pennies that you can fit on a sheet of paper, then evaluate your estimate.
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- Rounding Mountains - Judy Ann Brown
Math Fundamentals, difficulty level 2. Use estimated figures to determine the maximum and minimum differences between the heights of two mountains.
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- Sacagawea Cheerios - Stephen Maurer
Math Fundamentals, difficulty level 3. Determine how many Sacagawea coins the government will give away during this Cheerios promotion.
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- School Spirit - Kristina Lasher
Math Fundamentals, difficulty level 1. Do a little estimating to determine how much money is needed to buy school spirit items.
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- Speeders, Beware! - Stephen Maurer (and Chief Brian Craig)
Elementary, difficulty level 4. Evaluate the method the Swarthmore Borough Police Department uses for catching speeders.
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