Math Forum - Problems Library - Pre-Algebra, Number Theory: Factors

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Pre-Algebra
operations with numbers
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number theory
fractions, decimals,
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Factors
These problems provide practice with factors and factorization in problem solving and mathematical reasoning.

Related Resources
Interactive resources from our Math Tools project:
   Math 7: Number Theory
The closest match in our Ask Dr. Math archives:
   FAQ: Learning to Factor
NCTM Standards:
   Number and Operations Standard for Grades 6-8

Access to these problems requires a Membership.

Coding Conundrums - Mary DeYoung & class
Pre-Algebra, difficulty level 2. Explore encoding and decoding in this cipher puzzle. ... more>>

Counting Chicken Wings - Annie Fetter, Suzanne Alejandre
Pre-Algebra, difficulty level 3. Figure out how many wings are in the Biggest Bucket O' Wings. ... more>>

Divisible by a Dozen - Terry Trotter & Annie Fetter
Pre-Algebra, difficulty level 3. If you take any three consecutive integers, multiply the first times the square of the second, then multiply by the third, is 12 a factor of the product? ... more>>

Fences for Fido and Friends - Annie Fetter
Pre-Algebra, difficulty level 2. Find the area of each rectangular dog pen. ... more>>

An Interesting Integer - Judy Ann Brown
Pre-Algebra, difficulty level 2. I'm thinking of a particular integer. It is a multiple of three, five, and seven. No digit occurs more than once. Can you find my number? ... more>>

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>>

Milk Madness - Suzanne Alejandre
Pre-Algebra, difficulty level 4. Help Georgina find out how much milk is left using the number pattern she describes. ... more>>

Rampaging Reindeer - Judy Ann Brown
Pre-Algebra, difficulty level 3. How many different ways can Santa's reindeer be arranged? ... 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>>

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