CK-12 Foundation
Ck 12: Probability: Tree Diagrams Grades 10 12
[Free Registration/Login may be required to access all resource tools.] This lesson covers Tree Diagrams, combinations or permutations to determine the probabilities of multiple events and probability distributions.
Scholastic
Scholastic: Study Jams! Math: Probability: Tree Diagrams
This site provides great practice on the concept of tree diagrams. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
Khan Academy
Khan Academy: Tree of Combinations (Practice)
Drag the robot parts onto the screen to make all combination of heads and bodies.
CK-12 Foundation
Ck 12: Probability: Combinations Grade 6
[Free Registration/Login may be required to access all resource tools.] Determine all the possible combinations in a probability problem.
PBS
Pbs Learning Media: Lock Combinations of Knobs and Keys
In this Cyberchase video segment, Matt and Jackie must figure out which combination of knob and key will get them one step closer to retrieving the Black Crystal.
National Council of Teachers of Mathematics
The Math Forum: Drexel University: Boy or Girl?
Dr. Math explores the probability of the children in families being boys or girls. A look at the mathematics involved in each situation is included.