- The ABC's of Exponents - Steve Risberg
Algebra, difficulty level 3. Solve a system of equations involving exponents.
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- 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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- The Ages of Sigma - Terry Trotter
Algebra, difficulty level 1. Find the ages of the three artists who make up the latest singing sensation: Sigma.
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- Alien Operations - Teaching the Young Learner Group
Elementary, difficulty level 2. Can you help scientists decipher the operation symbols on this alien artifact?
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- Anh's Code - Annie Fetter
Pre-Algebra, difficulty level 2. Decode the five mathematical operations symbolized in three equations, then evaluate an expression.
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- Birds in Trees - Steve Maurer
Elementary, difficulty level 3. Can you figure out the number of trees in the courtyard?
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- Canadian Soccer - Judy Ann Brown
Pre-Algebra, difficulty level 2. Find the distance a player runs to complete three "Double V" laps.
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- Can You Find My Numbers? - Roya Salehi
Pre-Algebra, difficulty level 3. I have eight numbers in my list. Use the clues to find my numbers.
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- Can You Prove It? - Leigh Nataro
Trig/Calc, difficulty level 3. Prove that the square root of 2 is irrational, and explain how to use a straightedge and compass to construct a segment that is the square root of 2 in length.
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- Cheap Sunglasses - Steve Risberg
Algebra, difficulty level 2. Help Gilbert figure out if his idea for making cheap sunglasses with
filter film will work.
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- A Coat of Golden Angels - Terry Trotter
Algebra, difficulty level 1. Show how to do scientific notation problems on an 8-digit, four-function calculator.
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- The Complex Apartment Complex - Judy Ann Brown
Pre-Algebra, difficulty level 2. Find the number of apartments in a new building if each floor has twice as many apartments as the floor above.
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- Count Your Seinneps - Leigh Nataro
Trig/Calc, difficulty level 2. Find a system of coins that uses the fewest number of coins possible without repeating coins.
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- Don't Be Square - Ethel Breuche
Algebra, difficulty level 1. Use pattern recognition and square roots to find the sum of two numbers.
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- Farmer Fever's Hay - Ed Levinson
Elementary, difficulty level 4. Determine the weights of the four pieces of Farmer Fever's broken 40-pound rock.
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- Five Digits of Fun - Lisa Lavelle
Math Fundamentals, difficulty level 4. Find a five-digit number based on these clues.
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- Flipping Over Pennies - Judy Ann Brown
Pre-Algebra, difficulty level 3. How many equally likely outcomes are there when flipping 10 coins?
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- It's the Law! - Terry Trotter
Algebra, difficulty level 3. Explain the two most important laws of exponents, as a good teacher or book might do.
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- Let Me Guess Your Number - Leigh Nataro
Trig/Calc, difficulty level 3. Discover the patterns behind a number puzzle.
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- Lucky Lollipops - Suzanne Alejandre & Maria Fung and her students
Pre-Algebra, difficulty level 3. Find the number of lollipops Logan the Leprechaun gives away using his "lucky" method.
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- Open and Shut Case - Judy Ann Brown
Pre-Algebra, difficulty level 2. Find the locker combination using mathematical clues.
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- Palindrome Day - Judy Ann Brown
Pre-Algebra, difficulty level 2. How many Palindrome Days are there in a year?
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- Paper and the Moon - Ethel Breuche
Algebra, difficulty level 4. Students need to express their answers in scientific notation and know how to work in the metric system as well as do conversions to answer this paper-tearing problem.
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- Partial Area - Judy Ann Brown
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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- Pi Day - Let's Eat Cake! - Judy Ann Brown
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
Pre-Algebra, difficulty level 3. Help Mrs. Granville and Mrs. Germain plan a Pi Day celebration.
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- Power-full Fractions - Terry Trotter
Algebra, difficulty level 1. Given the expression (A/B)^C + (D/E)^F + (G/H)^I, substitute the digits 1 through 9 for the variables so that the simplified value of the expression is an integer.
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- Prime Probability - Lisa Lavelle
Pre-Algebra, difficulty level 3. Given the expression n^2 - 5, what is the probability that the result is prime for integers between 2 and 12?
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- Rationals and Irrationals - Asher Walkover
Trig/Calc, difficulty level 2. Can you sum two irrationals and get a rational? Can you take an irrational number to an irrational power and get a rational?
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- A Rhyming Riddle - John Allard, Carlton Shedrick, Donnie Sartwell
Trig/Calc, difficulty level 3. Find the solutions for x and y in an exponential equation.
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- Santa's Little Helpers - Judy Ann Brown
Pre-Algebra, difficulty level 3. Help Santa to solve the puzzle created by the clever elves.
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- The Scientific Notation Game - Suzanne Alejandre
Pre-Algebra, difficulty level 3. Help Jay think about how points are calculated in the Scientific Notation Game.
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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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- The Spiral on the Can - Ethel Breuche
Algebra, difficulty level 3. By using the Pythagorean theorem, students can find the length of the spiral painted on a can.
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- Sprinkler Spray - Lisa Lavelle
Math Fundamentals, difficulty level 4. Compare the radii of three sprinklers in Lily's garden.
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- Square Dancing - Judy Ann Brown
Pre-Algebra, difficulty level 2. The sum of each couple's numbers is a perfect square. Use other information in the problem to find the number of Ashley's partner.
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- A Stellar Garden - Bill Marthinsen
Pre-Algebra, difficulty level 3. Martha Stewart wants to rebuild her ugly garden. She needs help calculating the areas in the new garden.
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- Timber! - Steve Risberg
Pre-Algebra, difficulty level 3. A tree breaks three-eighths of the way up the trunk, and the tip hits the ground 40 feet from the base of the trunk. How tall was the tree?
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- The Tiny Town of Smallsville - Leigh Nataro
Discrete Math, difficulty level 2. An exercise in recursion: Based on birth and death data, how long will it take the town of Smallsville to double its population?
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- To Grandmother's House We Go - Ethel Breuche
Algebra, difficulty level 4. Red Riding Hood goes to visit Grandmother for the holidays at the same time that Grandmother heads out to visit Red. What is the ratio of their speeds?
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- The Tower of Hanoi Puzzle - Roya Salehi
Pre-Algebra, difficulty level 4. Tower of Hanoi: What is the minimum number of moves it will take to transfer 25 disks from one post to another?
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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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- Vehicle Value - Leigh Nataro
Trig/Calc, difficulty level 2. Find the future value of a car based on its current price and initial selling price.
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- What's the Point? - Steve Risberg
Algebra, difficulty level 3. Find all points on a given line such that they are a specified
distance from two points in the plane.
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- The World's Meanest Math Teacher - Bill Graham
Algebra, difficulty level 3. Students seated around a circular table are being systematically eliminated. What's the rule to follow to be the last one eliminated?
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