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number theory
factors
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Factors

These problems provide practice with finding and using factors when solving problems. Problems may include the concepts of prime factorization and greatest common factor.
 Related Resources

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

Assembly Seating
 Claire Mead

Math Fundamentals, difficulty level 2. What is Ben's plan for arranging chairs for the school assembly?
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Building Bouquets
 Amanda Knott and the Western Oregon University Mentors

Math Fundamentals, difficulty level 2. Help Jana determine how to divide her extra flowers for the flower shop special.
... more>>

Football Fanfare
 Suzanne Alejandre and Kristina Lasher

Math Fundamentals, difficulty level 1. The students in the pep club are designing a "card stunt" for the halftime show for the next football game. What are the possible seating arrangements they can use?
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In Their Prime
 Claire Mead

Math Fundamentals, difficulty level 2. Use the clues about multiples and primes to figure out how old
Jonathan and Hazel are.
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A Jar of Coins
 Claire Mead

Math Fundamentals, difficulty level 2. Use fraction clues to discover how many pennies, nickels, dimes and quarters I have in my
jar.
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Jellybean Fractions
 Lisa Lavelle

Elementary, difficulty level 2. Determine good and bad choices in playing the Jellybean Fractions Game.
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Jellybean Rectangles
 Lisa Lavelle

Math Fundamentals, difficulty level 3. Have fun figuring out strategy in the Jellybean Rectangle game.
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Moons, by Jove!
 Claire Mead

Math Fundamentals, difficulty level 3. Find out how long it will take these 3 moons to return to a position
of alignment with their
planet.
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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.
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Nova Scotia Quilt
 Claire Mead

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

Puzzling Puzzle Pieces
 Lisa Lavelle

Math Fundamentals, difficulty level 2. Explore the ways 108 puzzle pieces can be arranged.
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Rabbit's Run
 Lisa Lavelle

Math Fundamentals, difficulty level 1. Help Regina develop options for building her rabbit's run.
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Sharing Birthdays
 Claire Mead

Math Fundamentals, difficulty level 2. How old will Alana be when her mother is three times Alana's age?
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She Counts Seashells *
 Claire Mead

Math Fundamentals, difficulty level 2. How many shells does Marcia have in her collection?
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Summer Shoe Leftovers
 Teaching the Young Learner Group

Math Fundamentals, difficulty level 4. Determine which of the leftover shoes might satisfy three shoppers' needs.
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Toys To Go
 Claire Mead

Math Fundamentals, difficulty level 2. Help Sam determine the sale price of scooters at the toy store.
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