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  Subcategories   (see also All Sites in this category)
 
  All Sites - 84 items found, showing 1 to 50

  1. Accuracy Please - Judy Ann Brown
    Pre-Algebra, difficulty level 3. Considering precision, accuracy, and appropriateness in finding the volume of a cone. ...more>>

  2. Addition in the Land of Make Believe - Leigh Nataro
    Discrete Math, difficulty level 3. For any base b, show that if you subtract the sum of its digits from a number, the result is divisible by b-1. ...more>>

  3. Anderson's Pumpkin Patch - Teaching the Young Learner Group and Lisa Lavelle
    Math Fundamentals, difficulty level 2. How many students are there in Ms. Juncos's fourth grade class? ...more>>

  4. Anh's Code - Annie Fetter
    Pre-Algebra, difficulty level 2. Decode the five mathematical operations symbolized in three equations, then evaluate an expression. ...more>>

  5. Anjelica's Very Odd Magic Sweater - Cynthia Lanius, Suzanne Alejandre
    Pre-Algebra, difficulty level 3. Find the shortcut Angelica's mother might have used to calculate the number of dimes. ...more>>

  6. Birthday Beach Bash - Lisa Lavelle
    Math Fundamentals, difficulty level 3. Help determine how many balloons were needed for party favors at the end of this celebration. ...more>>

  7. Birthday Probability - Kristina Lasher & Lisa Lavelle
    Math Fundamentals, difficulty level 3. What is the likelihood that someone is born on an even or odd day of the month? Are you more likely to be born on a prime number day or a multiple of 3? ...more>>

  8. Borrowed Books - Teaching the Young Learner Group
    Elementary, difficulty level 2. Determine the number of books in the borrowing library created by three friends. ...more>>

  9. Building a Snow Statue - Judy Ann Brown
    Pre-Algebra, difficulty level 3. Determine the height of a snow statue using the given information. ...more>>

  10. Calculator Double Vision - Lisa Lavelle
    Elementary, difficulty level 2. Enter a 3-digit number twice on a calculator and use division to get the original number. ...more>>

  11. Canadian Soccer - Judy Ann Brown
    Pre-Algebra, difficulty level 2. Find the distance a player runs to complete three "Double V" laps. ...more>>

  12. Can This Be Done? - Judy Ann Brown
    Middle School, difficulty level 1. Find the largest six-digit number that can be written following two simple rules. ...more>>

  13. 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. ...more>>

  14. Chicken Little's Eggs - Jody Newman
    Elementary, difficulty level 3. How many eggs did Chicken Little have in her basket at the start of her trip to town? ...more>>

  15. The Chocolate Allergy Revelation - Antiquity (Steve Earth)
    Math Fundamentals, difficulty level 5. Use meta-reasoning to deduce the ages of three people based on a product, a sum, and a seemingly irrelevant third piece of information. ...more>>

  16. 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. ...more>>

  17. Darlene's Dart Board - Claire Mead
    Math Fundamentals, difficulty level 3. How many darts does it take to win on Darlene's dart board? ...more>>

  18. A Day at the Arcade - Judy Ann Brown
    Middle School, difficulty level 2. The 25-cent token dispensing machine only accepts quarters and half dollars one at a time. How many different combinations of coins, using quarters (q) and half dollars (h), are there to purchase the desired number of ...more>>

  19. Dollar Dealing - Suzanne Alejandre and Lillian Ray
    Pre-Algebra, difficulty level 2. How much money did Hector and Larissa each have? ...more>>

  20. 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. ...more>>

  21. Duke is Missing - Judy Ann Brown
    Pre-Algebra, difficulty level 3. Duke's head is 6 inches long, his tail is as long as his head plus half the length of his body, and his body is as long as the head and tail combined. How long is Duke? ...more>>

  22. Erika's Rock Collection - Elisabeth and Stephen Baseman and Chamberlain
    Math Fundamentals, difficulty level 2. Find out how many rocks Erika has collected over the years. ...more>>

  23. Even Number Puzzle - Judy Ann Brown
    Pre-Algebra, difficulty level 3. How many even four-digit whole numbers exist such that the thousands digit is odd, and all four digits are different? ...more>>

  24. Five Digits of Fun - Lisa Lavelle
    Math Fundamentals, difficulty level 4. Find a five-digit number based on these clues. ...more>>

  25. Flipping Over Pennies - Judy Ann Brown
    Pre-Algebra, difficulty level 3. How many equally likely outcomes are there when flipping 10 coins? ...more>>

  26. Four Playful Mathematicians - inspired by Maria Fung's class at Western Oregon
    Math Fundamentals, difficulty level 2. Follow the clues to help the four playful mathematicians return the lost watch. ...more>>

  27. The Graduating Class - Judy Ann Brown
    Pre-Algebra, difficulty level 3. Use the information about students with different grades to determine the number of students in Mrs. Smith's class. ...more>>

  28. Grandmother's Birthday Party - Judy Ann Brown
    Middle School, difficulty level 1. Alice and Jessica are writing invitations for a surprise birthday party for their grandmother. Determine how many invitations they have written? ...more>>

  29. Guess My Number If You Can! - Judy Ann Brown
    Pre-Algebra, difficulty level 4. Use division clues to reveal the secret number. ...more>>

  30. Happy New Year! - Judy Ann Brown
    Pre-Algebra, difficulty level 4. A puzzle for the new year: how is the grid designed? ...more>>

  31. Heidi's Hometown - Claire Mead
    Math Fundamentals, difficulty level 2. How many people lived in Heidi's hometown at the end of 2007? ...more>>

  32. Holiday Ornaments - Claire Mead
    Math Fundamentals, difficulty level 3. How many holiday ornaments did each girl's mother make? ...more>>

  33. Horton's Clover Hunt - Lisa Lavelle
    Math Fundamentals, difficulty level 4. Find out how fast Horton had to work picking clovers. ...more>>

  34. How Big? - Judy Ann Brown
    Middle School, difficulty level 1. The dimensions of my classroom are consecutive multiples of ten. Find the dimensions of the room. ...more>>

  35. I Know a Secret! - Judy Ann Brown
    Middle School, difficulty level 2. On the first day I told two friends my secret.They each told two friends. How long until 100 people know the secret? ...more>>

  36. I Like to Palindrive! - Kristina Lasher
    Math Fundamentals, difficulty level 3. How many palindromic numbers will appear on Kristina's odometer in October, 2003? ...more>>

  37. It's an open and shut case! Or is it? - Lisa Lavelle
    Elementary, difficulty level 3. A Razzle Dazzle Elementary School locker problem. ...more>>

  38. Jellybean Fractions - Lisa Lavelle
    Elementary, difficulty level 2. Determine good and bad choices in playing the Jellybean Fractions Game. ...more>>

  39. Kate's Combination - Suzanne Alejandre
    Pre-Algebra, difficulty level 2. Find Kate's locker combination using mathematical clues. Is there more than one possibility? ...more>>

  40. 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. ...more>>

  41. The Math Club Holiday Party - Judy Ann Brown
    Middle School, difficulty level 2. The Math Club is having a holiday party. If the presents are opened in 5 minute intervals starting at 1:00 p.m. the last gift will be opened starting at 5:35 p.m. How many club members are there? ...more>>

  42. Mathematics Club Membership - Judy Ann Brown
    Middle School, difficulty level 2. Find the number of students in the Mathematics Club using the given information. ...more>>

  43. Missing Pages - Claire Mead
    Math Fundamentals, difficulty level 2. Drew's math book is missing a page. What are the page numbers on the missing page? ...more>>

  44. 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? ...more>>

  45. Monmouth Mountain Bikes - Kristina Lasher
    Math Fundamentals, difficulty level 1. How many mountain bikes will have the highest level of safety testing? ...more>>

  46. Mr. Carmel's Party Plan - Judy Ann Brown
    Pre-Algebra, difficulty level 2. Help Mr. Carmel's class earn an ice cream party by counting the number of possible sundaes. ...more>>

  47. Mr. Lincoln's Line * - Claire Mead
    Math Fundamentals, difficulty level 3. Find out who's wearing glasses and carrying lunch boxes in Mr. Lincoln's lunch line. ...more>>

  48. Odd (and Even) Dates - Lisa Lavelle
    Math Fundamentals, difficulty level 1. Can you figure out these curious dates? ...more>>

  49. Palindrome Day - Judy Ann Brown
    Pre-Algebra, difficulty level 2. How many Palindrome Days are there in a year? ...more>>

  50. 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. ...more>>


 
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