Math Forum - Problems Library - Pre-Algebra, Probability

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These problems require students to use a basic understanding of probability to explore ideas of chance, make predictions, observe outcomes, or test conjectures about the results of experiments and simulations.

Related Resources
Interactive resources from our Math Tools project:
   Math 7: Probability
The closest match in our Ask Dr. Math archives:
   FAQ: Probability
   Middle School: Probability
NCTM Standards:
   Data Analysis & Probability Standard for Grades 6-8

Access to these problems requires a Membership.

Chamique the Archer - Mr. Marthinsen's Geometry Class
Pre-Algebra, difficulty level 3. Chamique wants to know the probability of hitting a bull's-eye with a randomly shot arrow. ... more>>

Flipping Over Pennies - Judy Ann Brown
Pre-Algebra, difficulty level 3. How many equally likely outcomes are there when flipping 10 coins? ... more>>

Golfing Luck? - Suzanne Alejandre
Pre-Algebra, difficulty level 2. Work with probability on the practice hole of the golf course. ... more>>

Money Maker? - Leigh Nataro, Suzanne Alejandre
Pre-Algebra, difficulty level 4. Would you rather earn $10 a week, or take a chance every week on the money in this paper bag? ... more>>

Oceans of Fun - Judy Ann Brown
Pre-Algebra, difficulty level 3. Help the Math Club approximate the portion of the Earth's surface that is covered by the oceans. ... more>>

Prime Probability - Lisa Lavelle
Pre-Algebra, 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>>

Student Council Elections - Judy Ann Brown
Pre-Algebra, difficulty level 4. Find the number of ways names can be arranged on the student council ballot, and figure the odds that a brother and sister will both be listed first in their respective races. ... more>>

Totolospi - Suzanne Alejandre
Pre-Algebra, difficulty level 2. Calculate the probability of advancing on a toss when playing the game Totolospi. ... more>>

Two Toss - Suzanne Alejandre
Pre-Algebra, difficulty level 3. What's the probability that Max scored a point in the Two Toss Game? ... more>>

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