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Definitions
Intersection and Union
Outcomes
Shading Practice
Sizes of sets
100

A set whose elements are all part of another set.

What is subset?

100
Given A={1,2,5,7} and B={1,3,5,9}, find A intersect B.
What is {1,5}
100

What is a tree diagram used for?

What is, To visually represent all possible outcomes of a sequence of events.

100

Given set A , shade A∪A'

What is universal set

100

n(A)  of the set A={ 1,3,5,7,8, 10}

What is 6

200

Everything outside of set A

What is complement of A?

200
Find A={1,3,7}, B={3,11}, C={0,1,5}. Find A∩B∩C
What is {}
200

How many branches does a tree diagram have for flipping a coin twice?

What is 4 branches (HH, HT, TH, TT)

200
Given non-disjoint sets A and B, shade A∩B'
What is everything in A that is NOT in B
200

If a set has 3 elements how many subsets can it have?

What is 8

300

True or false, the intersection of two sets is the set of all elements in either original set?

What is False?

That is the Union

300

If U={x∈N,x≤8}, and A={all even numbers}, find A'.

What is {0,1,3,5,7}

300

If a tree diagram starts with 3 choices and each choice leads to 2 further choices, how many total outcomes are there?

6 total outcomes.

300
Given non-disjoint sets A, B, and C, shade (AUBUC)'
What is outer part of venn diagram
300
n(even numbers between 2 and 20 inclusively)

What is 10

400

Two sets with no common elements are said to be?

What is disjoint sets?

400
Given A={1,2,5,7} and B={3,5,7,11}, find AUB
What is {1,2,3,5,7,11}
400

A set with no elements in common.

What is disjoint set?

400
Given non-disjoint sets A, B, and C shade A∪(B∩C)
What is All of A and the intersection of B and C
400

A={1, 2, 3, 4, 5, 7, 8}

B={1, 3, 7, 9, a, b, t, h}

N(A u B)=

What is 12

500

True or false: Universal Set is all elements in a problem.

What is True?

500

True or false, the intersection of two disjoint sets is the universal set.

What is False.

It is the empty set

500

If a restaurant offers 4 appetizers, 6 main courses, and 3 desserts, how many different meals can a customer order?

What is 72 meals (4 × 6 × 3).

500
Given non-disjoint sets A, B, and C shade (A∪B)∩C
What are- the parts of A and B that also contain C
500

What is the formula for finding the number of elements in the union of two sets?

What is the formula: A∪B=A+B−A∩B