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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 3-5

Access to these problems requires a Membership.

Building Bouquets - Amanda Knott and the Western Oregon University Mentors
teacher support active problem 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
teacher support active 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? ... more>>

In Their Prime - Claire Mead
teacher support active problem Math Fundamentals, difficulty level 2. Use the clues about multiples and primes to figure out how old Jonathan and Hazel are. ... more>>

A Jar of Coins - Claire Mead
teacher support active problem Math Fundamentals, difficulty level 2. Use fraction clues to discover how many pennies, nickels, dimes and quarters I have in my jar. ... more>>

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

Jellybean Rectangles - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 3. Have fun figuring out strategy in the Jellybean Rectangle game. ... more>>

Nova Scotia Quilt - Claire Mead
teacher support active problem Math Fundamentals, difficulty level 3. Use the area of a rectangular bed quilt to determine its dimensions. ... more>>

Puzzling Puzzle Pieces - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 2. Explore the ways 108 puzzle pieces can be arranged. ... more>>

Rabbit's Run - Lisa Lavelle
teacher support active problem Math Fundamentals, difficulty level 1. Help Regina develop options for building her rabbit's run. ... more>>

Sharing Birthdays - Claire Mead
teacher support active problem Math Fundamentals, difficulty level 2. How old will Alana be when her mother is three times Alana's age? ... more>>

Summer Shoe Leftovers - Teaching the Young Learner Group
teacher support active problem Math Fundamentals, difficulty level 4. Determine which of the leftover shoes might satisfy three shoppers' needs. ... more>>

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