Sets, subsets and Venn diagrams

In the following questions, describe the set in words.

{Asia, Africa, Europe, …}

• The elements of the set are countries.

• The elements of the set are continents.

• The elements of the set are city names.

• The elements of the set are directions.

In the following questions, write down another two elements of the set.

{1,  3,  6,  10,  …}

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

In the following questions, describe the set in words.

{2,  4,  6,  8,  …}

• The elements of the set are irrational numbers.

• The elements of the set are prime numbers.

• The elements of the set are odd numbers.

• The elements of the set are even numbers.

Tags

CCSS.4.OA.C.5

In the following questions, write down another two elements of the set.

{a,  e,  i,  …}

In the following questions, describe the set in words.

{Sunday,  Monday,  Tuesday,  …}

• The elements of the set are months in a year.

• The elements of the set are continents in the world.

• The elements of the set are work days.

• The elements of the set are days in a week.

The number of elements in a set A is written as n(A).

Give the value of n(A) for the finite sets: {Earth,  Mars,  Venus,  …}

The number of elements in a set A is written as n(A).

Give the value of n(A) for the finite sets: {Asia, Africa, Europe, …}

A = {whole numbers between 50 and 70}

List the subset D {square numbers}.

P = {whole numbers less than 30}

List the subset S {prime numbers}.

• S= {2,3,5,7,11,13,17,19,23,29}

• S= {1,3,5,7,11,13,17,19,23,29}

• S= {2,4,5,7,11,13,17,19,23,29}

• S= {2,3,5,7,11,13,15,23,29}

State whether each of the following statements is true or false:

{1, 2, 3, 4} ⊆ {1, 2, 3, 4}

• TRUE

• FALSE