EngageNY
Using Tree Diagrams to Represent a Sample Space and to Calculate Probabilities
Cultivate the tree of knowledge using diagrams with two stages. Pupils create small tree diagrams to determine the sample space in compound probability problems. The lesson uses only two decision points to introduce tree diagrams.
Math12
Basics of Probability
Give your middle schoolers a fighting chance at understanding probability. Offering numerous examples that clearly demonstrate basic probability concepts, this resource helps young mathematicians learn how to visualize the...
EngageNY
Calculating Probabilities of Compound Events
Use tree diagrams with multiple branches to calculate the probabilities of compound events. Pupils use tree diagrams to find the sample space for probability problems and use them to determine the probability of compound events in the...
Mathed Up!
Probability
How likely is it to draw a blue marble? Pupils find the likelihood of events and connect that to the probability of the event. They find the probabilities of simple events and show their probabilities on a scale.
EngageNY
Chance Experiments with Outcomes That Are Not Equally Likely
The fifth portion of the 25-part series introduces probabilities calculated from outcomes that are not equally likely. Class members use tables to calculate probabilities of events, add outcome's probabilities, and find complements....
EngageNY
Conducting a Simulation to Estimate the Probability of an Event
How can you complete a simulation when it is not practical to determine the probability of an event? Class members learn that in some situations, it is not feasible to find the probability of an event, but they can estimate it by running...
EngageNY
Estimating Probabilities by Collecting Data
Take a spin to determine experimental probability. Small groups spin a spinner and keep track of the sums of the spins and calculate the resulting probabilities. Pupils use simulated frequencies to practice finding other probabilities to...
National Security Agency
Are You Game? A Lesson Connecting Fractions and Probability
Exactly how fair are the board games children grow up playing? Young mathematicians investigate this questions as they work their way through this five-lesson series on basic probability.
EngageNY
The Difference Between Theoretical Probabilities and Estimated Probabilities
Flip a coin to determine whether the probability of heads is one-half. Pupils use simulated data to find the experimental probability of flipping a coin. Participants compare the long run relative frequency with the known theoretical...
MENSA Education & Research Foundation
Probably Probability
Reinforce the concept of probability with a series of lessons highlighting the idea of likelihood, probability formulas, relative frequency, outcomes, and event predictions. The collection is made up of four lessons offering informative...
EngageNY
Chance Experiments
Class members are introduced to probability using terms such as impossible, unlikely, likely, and certain. Numbers between zero and one are associated with the descriptions of probability. Pupils find the likelihood of chance experiments...
Curated OER
Probabilities for Number Cubes
Middle schoolers explore the concept of probability. In this probability lesson, students roll a six-sided number cube and record the frequency of each outcome. Middle schoolers graph their data using a frequency chart and keep tally...
Raytheon
Probability, Percent, and Proportion
In this probability and predictions learning exercise, students read 1 page of facts, then solve 8 pages of problems related to probability, with answers keys included.
Curated OER
Data Analysis, Probability, and Discrete Math
Choose to supplement your probability unit with this resource and you won't be disappointed with the outcome. Teach young mathematicians to organize information using tree diagrams and lists in order to determine the possible outcomes of...
Actis
Handling Data: Probability, Tree Diagrams
Clean, but captivating, two online simulations demonstrate probability for middle schoolers. They can choose the number of coins and tosses and watch as the results pile up. They can choose from a variety of spinner types and the number...
Curated OER
Probability Of One Event
Middle schoolers investigate the concept of probability. They use example problems in order to measure the likelihood of various outcomes. The instructional activity includes dialogue to be used by the teacher during direct instruction....
EngageNY
Comparing Estimated Probabilities to Probabilities Predicted by a Model
Small groups devise a plan to find the bag that contains the larger percentage of blue chips. they then institute their plans and compare results to the actual quantities in the bags.
Curated OER
What Are The Odds?
Young scholars read the book, Jim Ugly, and discuss whether the odds were in favor of or against the character Jake finding his dad. They demonstrate an experiment involving odds by keeping a tally of how many times a colored die is...
Curated OER
Counting Principle
In this counting principle worksheet, students find the possibility of an event while using the counting principle. They read about this tool to find the total number of combinations.
Curated OER
Permutations
In this math worksheet, students read about the concept of permutations. They arrange the objects in a certain order and think of the possible combinations.
Curated OER
Relative Frequency
For this relative frequency worksheet, students first read the information about how to calculate probability using a formula. Students solve 24 problems. This page is intended for online use but may be completed on paper.
Curated OER
Complementary Events
In this probability activity, students first read the information about complementary events (only two possible outcomes). Students solve 30 mat problems pertaining to probability of an event happening or not happening. This page is...
Curated OER
Tree Diagrams
In this tree diagram worksheet, students read story problems. From the given information, they draw tree diagrams to determine the total possible number of outcomes. This one-page worksheet contains ten problems.
Curated OER
Make That Shot!
Learners figure out basic percentages by shooting paper balls into a basket, recording results, and calculating individual and team percentages for ten shots.