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81 resources with the concept probability word problems

Lesson Planet

Counting Events: Flipping Unfair Coins

For Students 7th - 12th Standards
Who said life was fair? An interactive uses an area diagram to represent the probabilities of flipping unfair coins. Pupils use the diagram to calculate the probabilities of outcomes of flipping the two coins. The scholars must decide...
1 In 1 Collection
EngageNY

Applying Probability to Make Informed Decisions

For Teachers 7th Standards
Use simulations to determine the probabilities of events to make decisions. Class members are presented with several scenarios, some with known probabilities and others without. Groups run simulations to gather data that they then use to...
1 In 1 Collection
EngageNY

Conducting a Simulation to Estimate the Probability of an Event II

For Teachers 7th Standards
Add some randomization into simulations. The 11th installment in a series of 25 presents two new methods to use in simulations--colored disks, and random numbers. Pupils use random numbers to run simulations where the probabilities make...
1 In 1 Collection
EngageNY

Using Tree Diagrams to Represent a Sample Space and to Calculate Probabilities

For Teachers 7th Standards
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. 
1 In 1 Collection
EngageNY

Chance Experiments with Outcomes That Are Not Equally Likely

For Teachers 7th Standards
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....
1 In 1 Collection
EngageNY

Chance Experiments with Equally Likely Outcomes

For Teachers 7th Standards
Take a deeper dive into equally likely probabilities. Pupils build upon their understanding of probability by determining sample spaces and outcomes. Individuals work with sample spaces and determine outcomes that are equally likely....
1 In 1 Collection
EngageNY

Comparing Estimated Probabilities to Probabilities Predicted by a Model

For Teachers 7th Standards
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. 
1 In 1 Collection
EngageNY

Chance Experiments

For Teachers 7th Standards
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...
1 In 1 Collection
EngageNY

Mid-Module Assessment Task: Grade 7 Mathematics Module 5

For Students 7th Standards
Determine the probability that the class knows probability. The three-question assessment presents problems with finding the sample space and the probability, theoretical and experimental, of a variety of situations. Pupils also describe...
1 In 1 Collection
EngageNY

Conducting a Simulation to Estimate the Probability of an Event

For Teachers 7th Standards
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...
1 In 1 Collection
EngageNY

Calculating Probabilities of Compound Events

For Teachers 7th Standards
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...
1 In 1 Collection
EngageNY

Calculating Probabilities for Chance Experiments with Equally Likely Outcomes

For Teachers 7th Standards
Calculate theoretical probabilities and compare them to experimental probabilities. Pupils build on their knowledge of experimental probabilities to determine theoretical probabilities. Participants work several problems with the...
1 In 1 Collection
EngageNY

Estimating Probabilities by Collecting Data

For Teachers 7th Standards
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...
Lesson Planet

Fred's Fun Factory

For Students 9th - 12th Standards
Spin to win! Individuals calculate the average number of tickets expected based on a probability distribution for the number of tickets per spin. Pupils use that information to determine the average number of tickets that can be won...
Lesson Planet

Statistics and Probability

For Students 7th - 8th Standards
Quickly assess basic understandings of statistics and probability. The resource contains five quick tasks from the probability and statistics domain. The questions range from finding simple conditional probabilities to measures of center...
Lesson Planet

Probability

For Students 7th - 9th Standards
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.
1 In 1 Collection
Lesson Planet

Dog Tags

For Students 9th - 12th Standards
Class members demonstrate a proficiency with conditional probabilities through this task. Individuals calculate probabilities using multiplication and addition. They also distinguish between repetition and non-repetition while...
2 In 2 Collections
EngageNY

The General Multiplication Rule

For Teachers 11th - 12th Standards
In the first installment of a 21-part module, scholars build on previous understandings of probability to develop the multiplication rule for independent and dependent events. They use the rule to solve contextual problems.
Lesson Planet

Marble Game

For Teachers 9th - 12th Standards
Pupils determine the theoretical probability of winning a game of marbles. Individuals compare the theoretical probability to experimental probability for the same game. They continue on to compare two different probability games.
2 In 2 Collections
EngageNY

Using Permutations and Combinations to Compute Probabilities

For Teachers 11th - 12th Standards
Now that we know about permutations and combinations, we can finally solve probability problems. The fourth installment of a 21-part module has future mathematicians analyzing word problems to determine whether permutations or...
Lesson Planet

Counters

For Teachers 6th - 7th Standards
For some, probability is a losing proposition. The assessment item requires an understanding of fraction operations, probability, and fair games. Pupils determine the fractional portions of an event. They continue to determine whether...
Lesson Planet

Fair Game?

For Teachers 6th - 7th Standards
The game should be fair at all costs. The mini-assessment revolves around the ability to use probabilities to determine whether a game is fair. Individuals determine compound events to calculate simple probabilities and make long-run...
1 In 1 Collection
EngageNY

Probability Rules (part 1)

For Students 10th - 12th Standards
In statistics, probability rules—literally! Learners use their previous knowledge and explore a set of rules for conditional probability, independent probability, and complements. Given different scenarios, they must determine what type...
Lesson Planet

Evaluating Statements about Probability

For Teachers 7th Standards
Learners first complete an assessment task where they assess statements on probability. They then sort cards containing probability statements as being either true or false.