 Power Outage  Jackson Geometry Class
PreAlgebra, difficulty level 3. The power went out. Use the current reading on the clocks to determine when the power went out, and for how long.
...more>>
 Price Tag Repair  Teaching the Young Learner Group
Math Fundamentals, difficulty level 2. Can you use the clues to help Cathy repair the price tags for the family yard sale?
...more>>
 A ProductPlus1  Terry Trotter
Algebra, difficulty level 3. The product of any four consecutive integers, increased by one, is always a square number. Give at least three instances of that statement and prove that this will always occur by finding an algebraic expression for that
...more>>
 Ready for Football?  Terry Trotter & Suzanne Alejandre
PreAlgebra, difficulty level 2. Find the final score of the game between the Eagles and the Dragons.
...more>>
 Rock Star Poisoned  Ethel Breuche
Discrete Math, difficulty level 1. Malonda is found poisoned in her dressing room. Solve this murder mystery using the clues given.
...more>>
 Runsums, Part 1  Ron Knott
PreAlgebra, difficulty level 3. By spotting the pattern, tell me the smallest number that is a sum of a run of one hundred consecutive numbers.
...more>>
 Runsums, Part 2  Ron Knott
PreAlgebra, difficulty level 3. Explore number patterns and report on what you have learned.
...more>>
 Santa's Little Helpers  Judy Ann Brown
PreAlgebra, difficulty level 3. Help Santa to solve the puzzle created by the clever elves.
...more>>
 Seating Dilemma  Judy Ann Brown
PreAlgebra, difficulty level 2. Count the number of ways to seat people, if some are math teachers who cannot be next to each other.
...more>>
 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?
...more>>
 Snow Day Phone Chain  Judy Ann Brown
PreAlgebra, difficulty level 4. Use the given information to find out how many phone calls were made.
...more>>
 Sokoban  Stephen Maurer
Discrete Math, difficulty level 3. Solve this game in the fewest number of moves and prove your solution.
...more>>
 Square Dancing  Judy Ann Brown
PreAlgebra, 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.
...more>>
 Study Hall Games  Judy Ann Brown
PreAlgebra, difficulty level 4. I polled the students to find out which of the three games in my closet they might like to play. Then I created a math problem using the results of the poll.
...more>>
 Studying Stars  Annie Fetter
Geometry, difficulty level 2. Given a number of points spaced around a circle, how many lines does it take to connect each point to all the other points except for the ones next to it?
...more>>
 Summer Shoe Leftovers  Teaching the Young Learner Group
Math Fundamentals, difficulty level 4. Determine which of the leftover shoes might satisfy three shoppers' needs.
...more>>
 Team Tag  Corinne MacPherson (adapted from Faces of Mathematics by A. Wayne Roberts)
Elementary, difficulty level 3. In the game of Team Tag, each kid (excluding Allison) earned a different number of points. How many points did Allison's teammate Jenny earn?
...more>>
 The Termite and the Cube  Jared Hammond
Discrete Math, difficulty level 1. Can a termite, traveling only vertically or horizontally through a 3x3x3 Rubiklike cube, go through every cube exactly once and wind up in the very center?
...more>>
 Tiling Tables  Suzanne Alejandre
PreAlgebra, difficulty level 3. Find a method to quickly calculate the dimensions of a rectangular table top with a given area so that it has the smallest possible perimeter.
...more>>
 Tourists in Turkey  Arda Antikacioglu
Elementary, difficulty level 4. Analyze tourism data from Turkey to discover how many people visited specific areas of the country last year.
...more>>
 The Tower of Hanoi Puzzle  Roya Salehi
PreAlgebra, 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?
...more>>
 Train Travel  Annie Fetter & Ian Underwood
PreAlgebra, difficulty level 2. At what time does the end of the train emerge from the tunnel?
...more>>
 Triangular Number Identities  Terry Trotter
Algebra, difficulty level 3. Prove two famous theorems of ancient number theory: the sum of any two consecutive triangular numbers is a square number, and the product of 8 and any triangular number, increased by 1, is a square number.
...more>>
 True Lies  Lisa Lavelle
Elementary, difficulty level 2. Test your logic skills with a citizen of the City of Truth. Or is it the City of Lies?
...more>>
 What Day Is It Today?  Roya Salehi
Math Fundamentals, difficulty level 2. Sophie tells the truth only on Monday, Tuesday, Wednesday, and Thursday. Her sister tells the truth only on Monday, Friday, Saturday, and Sunday. If they both confess to their mom that "Yesterday I lied," what day
...more>>
 Who Broke Mom's Favorite Vase?  Leigh Nataro
Discrete Math, difficulty level 1. Using logic, determine who is lying and who is telling the truth about who broke Mom's favorite vase.
...more>>
 Wilda's Swamp Water  Judy Ann Brown
PreAlgebra, difficulty level 3. Measure 8 quibits of swamp water using only 6quibit and 10quibit containers.
...more>>
 
