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Topic (Course) 
Technology 
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Introduction to Combination Th...

Counting principles (Math 7) 
Java Applet 
Activity 

[0]

Let students discover the Fundamental Counting Theorem on their own with this ultracute applet from the NTCM Illuminations website. Students dress a bear who is going on vacation to determine the num...
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Combinations

Combinations (Math 7) 
TINspire 
Activity 

[0]

This activity introduces students to combinations. They derive the formula for the number of combinations of n objects taken r at a time by starting with a list of permutations and eliminating those t...
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Shorts and Shirts

Combinations (Math 7) 
Computer 
Lesson Plan 

[0]

Students are encouraged to discover all of the possible combinations for outfits consisting of shirts and shorts. Students apply problemsolving skills (including elimination and collection of organiz...
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Conditional Probability and Pr...

Counting principles (Math 7) 
Java Applet 
Lesson Plan 

[0]

Introduces conditional probability and the probability of simultaneous events.
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From Probability to Combinator...

Counting principles (Math 7) 
Java Applet 
Lesson Plan 

[1]

Looks at data structures and their applications to probability theory.
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Probability and Geometry

Tree diagrams (Math 7) 
Java Applet 
Lesson Plan 

[1]

Students learn about how probability can be represented using geometry.
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Tree Diagrams and Probability

Counting principles (Math 7) 
Java Applet 
Lesson Plan 

[1]

Introduces the concept of tree diagrams as a way to compute probability of a multistep event.
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Divisibility Dialogue

Counting principles (Math 7) 
Calculator 
Support Material 

[0]

The question of fairness in a game of two dice leads to the concept of divisibility.
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Events and Set Operations Dial...

Counting principles (Math 7) 
Calculator 
Support Material 

[1]

Introduction of elementary set operations and their connections with probability.
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Tables and Combinatorics Dialo...

Counting techniques (Math 7) 
Calculator 
Support Material 

[1]

Discussion of tables as a convenient way to store and count outcomes.
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Trees as Data Structures Discu...

Tree diagrams (Math 7) 
Calculator 
Support Material 

[1]

Questions about games with more than two dice lead to discussion of trees as another kind of data structure.
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Combinations (Amsco Integrated...

Combinations (Math 7) 
Flash 
Support Material 

[0]

This minilesson explains combination: a collection of things in which order is not important.
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Permutations (Amsco Integrated...

Permutations (Math 7) 
Flash 
Support Material 

[0]

This minilesson explains permutation: an arrangement of objects or things in some specific order.
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Three Scientists and Three Ban...

Permutations (Math 7) 
Computer 
Tool 

[0]

A rivercrossing problem in which the goal is to get both scientists and bandits across without having the bandits outnumber the scientists on either side of the river during the process.
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Combinations

Combinations (Math 7) 
Flash 
Tool 

[2]

Flash tutorial introducing the formula C(n,k)=n!/(k!(nk)!). College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free mat...
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Permutations

Permutations (Math 7) 
Flash 
Tool 

[0]

Flash tutorial introducing the formula P(n,k)=n!/(nk)!. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math mo...
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Bobbie Bear

Combinations (Math 7) 
Java Applet 
Tool 

[4]

The user can investigate how many different outfits can be made using different colored shirts and pants.
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Peg Puzzle

Counting principle (Math 7) 
Java Applet 
Tool 

[1]

This virtual manipulative is the classic logic peg puzzle. The goal of the puzzle is to switch the the pegs on the left with the pegs on the right by moving one peg at a time.
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