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algebra
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Linear Relationships

PreAlgebra students are introduced to linear relationships by plotting points that satisfy the equation on a coordinate grid and seeing how the points can be connected to form a
line. Concepts of slope, equation of the line, and intersections of two lines (solving simultaneous equations) are covered at an introductory level.
 Related Resources

Interactive resources from our Math Tools project:
Math 7: Algebra and Expressions
The closest match in our Ask Dr. Math archives:
Middle School: Graphing Equations
NCTM Standards:
Algebra Standard for Grades 68
Access to these problems requires a Membership.

Account Balances
 Suzanne Alejandre

PreAlgebra, difficulty level 3. Will Tarak's and Nicholas's bank balances ever be exactly the same?
... more>>

Bank Balances
 Stephen Weimar

PreAlgebra, difficulty level 3. Will Tamil and Nydiyah bank balances ever be exactly the same?
... more>>

Chirp! Chirp!
 Annie Fetter

PreAlgebra, difficulty level 3. Find the temperature when a cricket chirps a certain number of times a minute.
... more>>

Distance Driving
 Judy Ann Brown

PreAlgebra, difficulty level 3. Write an expression that will help you determine how long it will take the car to travel any given number of kilometers.
... more>>

Graphs
 Suzanne Alejandre, Annie Fetter

PreAlgebra, difficulty level 3. Match the descriptions to the graphs. Explain how to find one of the points on each graph and give the labels for the x and yaxes.
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Mirror Musing
 Suzanne Alejandre

PreAlgebra, difficulty level 3. Using the information given in a picture of Hagrid and Baby Norbert, find out how tall each of them is.
... more>>

Saturday Bike Ride
 Judy Ann Brown

PreAlgebra, difficulty level 2. Now that spring has arrived, Ali and Maya decide to dust off their bikes and go for a Saturday ride. Help find what time they will meet.
... more>>
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