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All Sites - 77 items found, showing 51 to 77
 Power Outage - Jackson Geometry Class Pre-Algebra, 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 Product-Plus-1 - 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 Pre-Algebra, 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 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. ...more>> Runsums, Part 2 - Ron Knott Pre-Algebra, difficulty level 3. Explore number patterns and report on what you have learned. ...more>> Santa's Little Helpers - Judy Ann Brown Pre-Algebra, difficulty level 3. Help Santa to solve the puzzle created by the clever elves. ...more>> Seating Dilemma - Judy Ann Brown Pre-Algebra, 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 Pre-Algebra, 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 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. ...more>> Study Hall Games - Judy Ann Brown Pre-Algebra, 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 Rubik-like cube, go through every cube exactly once and wind up in the very center? ...more>> Tiling Tables - Suzanne Alejandre Pre-Algebra, 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 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? ...more>> Train Travel - Annie Fetter & Ian Underwood Pre-Algebra, 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 Pre-Algebra, difficulty level 3. Measure 8 quibits of swamp water using only 6-quibit and 10-quibit containers. ...more>>
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