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...
Math12
Conditional Probability
Conditional probability can be a confusing concept. A straightforward instructional activity provides reasonable examples of conditional probability, and models the most effective ways to reinforce the more complex parts of the...
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...
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...
Curated OER
Dependent Events Probability
For this probability worksheet, students determine the probability of dependent events. This one-page worksheet contains 4 multi-step problems. Answers are provided in this online worksheet.
Curated OER
Probability Worksheets
In this probability worksheet, students answer 6 online probability questions in fraction form and check their answers when they are finished.
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...
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...
Curated OER
Independent Events Probability
For this online math worksheet, students consider a variety of scenarios involving probability. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Curated OER
Probability and Outcomes
In this probability worksheet, students analyze three spinners based on the face of a clock. Students read and solve 6 probability problems pertaining to the spinners.
Curated OER
Unit 10 Section 2: Finding Outcomes With Two Experiments
In this experiment instructional activity, 5th graders study 5 examples and their outcomes. Students then respond to 8 questions, completing the responses to outcomes and probability.
Curated OER
7-5 Practice Integration: Probability Compound Events
In this probability worksheet, students read story problems and draw tree diagrams to model the probability of compound events. After creating two tree diagrams, students compare them. They compute the probability of dependent events.
Curated OER
Different Dice
For this different dice worksheet, 9th graders read about the use of octahedrons as dice, review the probability with cubical dice, then answer the question of probability when rolling 2 octahedral dice.
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.
National Council of Teachers of Mathematics
Is It Fair?
In this probability instructional activity, learners answer nine questions about the fairness of games. Students determine if a game is fair or not. They list outcomes and find ones' chances of winning.
Virginia Department of Education
It Could Happen
Understanding of probability will probably increase with the use of a refined resource. Pupils learn to distinguish between dependent and independent events as they calculate the probabilities of these types of events in various situations.
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.