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Odds and Evens

These problems provide practice with identifying and applying odd and even numbers to problemsolving situations.
 Related Resources

Interactive resources from our Math Tools project:
Math 4: Number Theory
The closest match in our Ask Dr. Math archives:
Elementary Number Sense/About Numbers
NCTM Standards:
Number and Operations Standard for Grades 35
Access to these problems requires a Membership.

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>>

Chelsea's Number Puzzle
 Claire Mead

Math Fundamentals, difficulty level 2. Help Chelsea solve this addition number puzzle using the numbers 1 through 9.
... more>>

Crack the Code
 Christi Sather and Kristina Lasher

Math Fundamentals, difficulty level 2. Help Christi use the clues to figure out which code will unlock the vault.
... more>>

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>>

Five Digits of Fun
 Lisa Lavelle

Math Fundamentals, difficulty level 4. Find a fivedigit number based on these clues.
... more>>

Holiday Ornaments
 Claire Mead

Math Fundamentals, difficulty level 3. How many holiday ornaments did each girl's mother make?
... more>>

Nova Scotia Quilt
 Claire Mead

Math Fundamentals, difficulty level 3. Use the area of a rectangular bed quilt to determine its dimensions.
... more>>

Odd (and Even) Dates
 Lisa Lavelle

Math Fundamentals, difficulty level 1. Can you figure out these curious dates?
... more>>

Odds vs. Evens
 Kristina Lasher

Math Fundamentals, difficulty level 3. Can Jerome and Kiya use what they know about probability to make their games fair?
... 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>>

Wooden Legs
 Claire Mead

Math Fundamentals, difficulty level 2. How many different ways can Wendy use 31 legs to build wooden
dollhouse furniture?
... more>>
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