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diamond Library of Math Forum Problems

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Pre-Algebra
operations with numbers
number sense
number theory
fractions, decimals,
percentages
integers
algebra
ratio & proportion
geometry in the plane
geometry in space
measurement
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Roots
These problems require knowledge of roots to simplify computations and solve problems.

Related Resources
Interactive resources from our Math Tools project:
   Math 7: Number Sense
The closest match in our Ask Dr. Math archives:
   Middle School: Square Roots
NCTM Standards:
   Number and Operations Standard for Grades 6-8

Access to these problems requires a Membership.

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

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

Can You Find My Numbers? - Roya Salehi
active problem Pre-Algebra, difficulty level 3. I have eight numbers in my list. Use the clues to find my numbers. ... more>>

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

Partial Area - Judy Ann Brown
active problem Pre-Algebra, difficulty level 3. Find the area of the portion of the circle that is not included inside the inscribed square. ... more>>

Right Triangle, Which Legs? - Annie Fetter
teacher support active problem Pre-Algebra, difficulty level 3. Find the possible lengths for the third side of a right triangle given the lengths of the other two sides. ... more>>

Scientific Sums - Judy Ann Brown
active problem Pre-Algebra, difficulty level 2. Find the sum of a set of numbers written in scientific notation. ... more>>

Square Dancing - Judy Ann Brown
active problem Pre-Algebra, difficulty level 2. The sum of each couple's numbers is a perfect square. Use other information in the problem to find the number of Ashley's partner. ... more>>

Tiling Tables - Suzanne Alejandre
teacher support active problem 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>>

Time Is Power - Terry Trotter
teacher support active problem Pre-Algebra, difficulty level 2. During which hour of the day am I most likely to see a square number on my computer time display? How many times total during the day does this happen? ... more>>

The Tower of Hanoi Puzzle - Roya Salehi
active problem Pre-Algebra, difficulty level 4. Tower of Hanoi: What is the minimum number of moves it will take to transfer 25 disks from one post to another? ... more>>

Treasure Hunt Math - Judy Ann Brown
active problem Pre-Algebra, difficulty level 3. Use clues to find the mystery palindrome. ... more>>

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