Rational and Irrational Numbers

​Rational and Irrational Numbers

By KiAngela Pittman

Open Ended

Give an example of a Natural Number.

Open Ended

Give an example of a Whole Number.

Open Ended

Give an example of an Integer.

Open Ended

Give an example of a Rational Number.

Open Ended

Give an example of an Irrational Number.

Multiple Choice

A number that can be written as a ratio is called a(n)

• Rational number

• Irrational number

Multiple Choice

A real number is always a rational number.

• True

• False

Multiple Choice

4.̅6 + 6 = 10.̅6

This is an example of

• I + R = Irrational

• R + R = Rational

• I + R = Rational

Multiple Choice

2.5 ⋅ 14 = 35

This is an example of

• R ⋅ R = Rational

• I + R = Irrational

• I ⋅ R = Rational

• R ⋅ R = Irrational

Multiple Choice

An irrational number can be defined as ...

• a nonrepeating decimal

• a nonterminating decimal

• a nonrepeating and a nonterminating decimal

• a nonrepeating or a nonterminating decimal

Multiple Choice

If you type a square root into your calculator and the calculator gives you an answer with a radical (√), the number is irrational.

• True

• False

Multiple Choice

√25 ⋅ √4 = 10

This is an example of

• I ⋅ I = Irrational

• I ⋅ I = Rational

Multiple Choice

√56 ⋅ √2 = 4 √7

This is an example of

• I ⋅ I = Rational

• I ⋅ I = Irrational

Multiple Choice

Is O (zero) rational or irrational?

• Rational

• Irrational

Multiple Choice

0 + π = __

• 0, rational

• π, irrational

Multiple Choice

A rational number multiplied by an irrational number will always give an answer that is irrational.

(R ⋅ I = Irrational)

• True

• False

Multiple Choice

An irrational number multiplied by another irrational number will always give an answer that is irrational.

(I ⋅ I = always Irrational)

• True

• False

Multiple Choice

Which of the following shows how an I ⋅ I = Rational

• √2 ⋅ √4 =

• √56 ⋅ √56 =

• √2 ⋅ √3 =

• √5 ⋅ √2 =

Multiple Choice

The sum or product of two rational numbers is rational.

• True

• False