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Integers

These problems require knowledge of negative and positive numbers, and are suitable for the beginning prealgebra student.
Problems from the Algebra PoW's Integer Operations category might also be appropriate for middle school students.
 Related Resources

Interactive resources from our Math Tools project:
Math 7: Integers
The closest match in our Ask Dr. Math archives:
FAQ: Integers
Middle School: Negative Numbers
NCTM Standards:
Number and Operations Standard for Grades 68
Access to these problems requires a Membership.

Guess My Number If You Can!
 Judy Ann Brown

PreAlgebra, difficulty level 4. Use division clues to reveal the secret number.
... more>>

Integer Game
 Suzanne Alejandre

PreAlgebra, difficulty level 1. Help Alisa pick a set of six cards to win the Integer Game.
... more>>

Prime Probability
 Lisa Lavelle

PreAlgebra, difficulty level 3. Given the expression n^2  5, what is the probability that the result is prime for integers between 2 and 12?
... more>>

Shelvin's Scores
 Suzanne Alejandre

PreAlgebra, difficulty level 2. How many of each kind of question did Shelvin get right?
... more>>

Sketchley Names That Negative
 Suzanne Alejandre, Steve Risberg

PreAlgebra, difficulty level 2. Use five given negative numbers to form an expression that equals the
target number.
... more>>

Sketchley Names That Number
 Steve Risberg

PreAlgebra, difficulty level 1. Use five given integers to form an expression that equals the target
number.
... more>>

Suli's Sense
 Encyclopedia Britannica Math in Context

PreAlgebra, difficulty level 3. Explain if Suli's result was a coincidence.
... more>>

Temperature Change
 Judy Ann Brown

PreAlgebra, difficulty level 2. Use the given information to find the temperature.
... more>>

Unknown Numbers
 Suzanne Alejandre and Lillian Ray

PreAlgebra, difficulty level 2. Use the four equations to figure out which numbers the quadrilateral
and the circle
represent.
... more>>
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