- 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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- Rugby Rules! - Ben Comstock and Claire Mead
Math Fundamentals, difficulty level 3. Find all the ways Western could have scored 27 points in their rugby game.
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- Runsums, Part 1 - Ron Knott
Pre-algebra, difficulty level 3. By spotting the pattern, tell me the smallest number that is a sum of a run of one hundred consecutive numbers.
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- Runsums, Part 2 - Ron Knott
Pre-algebra, difficulty level 3. Explore number patterns and report on what you have learned.
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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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- Sailing Around the World - Leon Roland & class
Pre-algebra, difficulty level 2. Determine the amounts of the supplies that Giuseppi Linguini will need to sail around the world.
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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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- School, Who Has Time? - Lisa Lavelle (old remembered puzzle)
Math Fundamentals, difficulty level 3. Given all the time we spend doing other things, how do we have time for school?
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- Scientific Sums - Judy Ann Brown
Pre-algebra, difficulty level 2. Find the sum of a set of numbers written in scientific notation.
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- Seasonal Probability - Lisa Lavelle
Math Fundamentals, difficulty level 2. Calculate the probability that your birthday falls in a particular season of the year.
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- Sequence of Exercise - Judy Ann Brown
Middle School, difficulty level 2. Each day Chris and Jody jog three blocks farther than they did the day before. How many days have Chris and Jody been jogging?
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- Sharing Birthdays - Claire Mead
Math Fundamentals, difficulty level 2. How old will Alana be when her mother is three times Alana's age?
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- Shopping Spree - Judy Ann Brown
Middle School, difficulty level 1. Jamie is shopping for holiday presents. How many $9.49 shirts can she buy? How much change will she have left?
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- The Silver Mile - Judy Ann Brown
Pre-algebra, difficulty level 3. Determine the total value of the coins in a silver mile.
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- Simple Arithmetic - Judy Ann Brown
Middle School, difficulty level 2. Titles can be deceiving - this is a simple arithmetic problem but you need to find the numbers.
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- A Simple Reversal - Judy Ann Brown
Math Fundamentals, difficulty level 1. The product of 3 and 24 is 72. The sum of 3 and 24 is 27, which is the reverse of 72. Can you find other pairs of numbers such that their product is the reverse of their sum?
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- Snow Day Phone Chain - Judy Ann Brown
Pre-algebra, difficulty level 4. Use the given information to find out how many phone calls were made.
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- Something Fishy - Basden's 8th Hour MathDogs
Math Fundamentals, difficulty level 3. Find the maximum number of goldfish and koi for the schoolyard garden pond.
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- Subway Subtotals - Kristina Lasher
Math Fundamentals, difficulty level 2. When people ride the subway, they can pay with money, tokens, or transit cards. How did the people in my subway car pay their fare this morning?
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- Summer at Sweet Tooth - Ross Shelter & Carrie Shankweiler
Math Fundamentals, difficulty level 2. Calculate Kate's earnings during her summer waitressing job.
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- Super Bowl XXXII - Judy Ann Brown
Middle School, difficulty level 2. The Super Bowl committee has decided to create a plaque to hang in the NFL Hall of Fame. Your job is to determine how many of each letter or symbol must be made in gold.
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- A Surfer's Tessellation - Mr. Marthinsen's First Period Class
Pre-algebra, difficulty level 2. Shane is re-tiling his surf shack. How many of each kind of tile will he need, and what does a big tile cost?
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- Tatianna and the Troll - Terry Trotter, revised
Elementary, difficulty level 3. Tatianna tests the troll... and neither loses nor gains.
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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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- Three-dimensional Television - Mr. Marthinsen's Geometry Class
Pre-algebra, difficulty level 3. Help my friend find which TV will fit snugly into her TV nook.
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- Train Travel - Annie Fetter & Ian Underwood
Pre-algebra, difficulty level 2. At what time does the end of the train emerge from the tunnel?
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- Treasure Hunt Math - Judy Ann Brown
Pre-algebra, difficulty level 3. Use clues to find the mystery palindrome.
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- The Twelve Percents of Christmas - Lisa Lavelle
Math Fundamentals, difficulty level 2. Calculate the percentages of the total gifts received on each of the twelve days of Christmas.
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- Valley Springs Snow Cream - Kelly Crisp
Pre-algebra, difficulty level 3. Compare the volume of a sphere, cone, and cylinder using ice cream.
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- Volunteering at the Food Bank - Abby Martin
Math Fundamentals, difficulty level 2. Calculate the number of volunteer hours needed to keep a food bank in operation.
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- What Was That Score? - Lisa Lavelle
Math Fundamentals, difficulty level 2. Determine the football (not soccer!) score.
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- Where Does Mrs. Darien Live? - Judy Ann Brown
Middle School, difficulty level 2. Use clues to help Mrs. Darien's students find her house number.
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- Zero Dates - Stephen Maurer
Math Fundamentals, difficulty level 2. Travel in time to think about dates with zeros.
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- Zoo Trip - Melissa Cavanaugh (Western Oregon University) & Math Forum Staff
Math Fundamentals, difficulty level 2. How many adults and seniors will Melissa's family take to the zoo?
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