Activity
National Council of Teachers of Mathematics

The Math Forum: Drexel University: Boy or Girl?

For Students 9th - 10th Standards
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.
Activity
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Topic Summaries: Sets and Counting

For Students 9th - 10th Standards
The topic summary outlines sets and counting. Some topics reviewed are Venn diagrams, permutations, set operations, and addition principle. The resource consists of definitions, notes, and examples.
Unit Plan
CK-12 Foundation

Ck 12: Probability: Combinations Grade 7

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Recognize and identify combinations.
Whiteboard
ClassFlow

Class Flow: Fun With Probability

For Teachers 6th - 8th
[Free Registration/Login Required] This flipchart focuses on 8th grade Probability. Through the use of interactive dice roller, magic viewer, and manipulation of objects, students can bring Probability to life!
Unit Plan
CK-12 Foundation

Ck 12: Probability: Combinations Grades 9 10

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Given a set, learn how to calculate its number of combinations.
Activity
Interactive Mathematics

Interactive Mathematics: Combinations

For Students 9th - 10th Standards
The combination function is used to solve probability counting problems. Several examples are presented with detailed solutions.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Combination Locks

For Students 3rd - 8th
If you're good with numbers, then here's a challenge just for you. See if you can figure out how many three number combinations you can make using numbers from 0 to 39. A probability challenge that explores number arrangements. Taken...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: S Cp and Md: Return to Fred's Fun Factory (With $.50)

For Teachers 9th - 10th
The task is intended to address standards regarding sample space, independence, probability distributions and permutations/combinations. Aligns with S-CP.A.1.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Factorials and Combinations

For Students 6th - 9th
[Free Registration/Login may be required to access all resource tools.] In this lesson students are provided a review of factorials and combinations. Students examine guided notes, review guided practice, watch instructional videos and...
Unit Plan
Khan Academy

Khan Academy: Start Here! Counting

For Students 9th - 10th
This lesson focuses on the math needed to solve problems counting. In the first lesson you learned that it was possible to build 1000 possible robots using only a handful of parts. Now suppose the director only asks for a cast of 6...
Handout
University of St. Andrews (UK)

University of St. Andrews: George Polya

For Students 9th - 10th
This University of St. Andrews site offers a biography of George Polya. Many links are provided.
Activity
University of Victoria (Canada)

Amof: Amazing Mathematical Object Factory

For Students 9th - 10th
The Amazing Mathematical Object Factory allows you to review many combinatorial objects by producing lists of mathematical objects. This game helps make discrete mathematics more accessible. Combinatorial objects are studied in discrete...
Website
Purple Math

Purplemath: Factorials

For Students 9th - 10th Standards
A review of factorials in the areas of combinations, permutations, probability, and the Binomial Theorem is presented. Examples are worked out and explained, complete with graphing calculator steps.
Website
Cut the Knot

Cut the Knot!: Interactive Mathematics: Geometry Articles, Theorems, Problems

For Students 9th - 10th
Contains over five hundred Geometry articles, problems, puzzles, and games. Some sites relating to circles are provided within this list.
Handout
Wolfram Research

Wolfram Science World: Bernoulli, Jakob (1654 1705)

For Students 9th - 10th
This site from ScienceWorld provides a brief but factual abstract of Bernoulli's math accomplishments. Links are provided throughout for additional information on related subjects.
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McGraw Hill

Glencoe: Self Check Quizzes 2 Combinations

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of combinations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
Activity
Other

Lake Tahoe Com. College: Fundamental Counting Principle

For Students 9th - 10th
Explains the fundamental principle of counting, which is the beginning point for any study of counting techniques such as combinations and permutations.
Unit Plan
Khan Academy

Khan Academy: The Counting Principle

For Students 6th - 8th
Practice counting possible outcomes in a variety of situations. These problems cover everything from counting the number of ways to get dressed in the morning to counting the number of ways to build a custom pizza. Students receive...
Activity
University of Cambridge

University of Cambridge: Maths and Sports: Arsenal Collection: Football Formations

For Students 5th - 8th Standards
How many different football team formations can you find? This activity provides an engaging real-life context to investigate simple combinations, and is aimed at Key Stage 3 students.
Activity
University of Cambridge

University of Cambridge: Maths and Sports: The Games' Medals

For Students K - 1st Standards
Who could have won the gold, silver and bronze medals? This activity is designed to be accessible to primary pupils at Key Stage 1.