Rational vs Irrational Numbers and Repeating Decimals

Organize these options into the right categories: Rational vs. Irrational Numbers

Groups:

(a) Rational

,

(b) Irrational

• 0.3333.....

• 64

• 0.2

• 0.152368...

Pi

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

What kind of number is   π   ?

• rational

• irrational

• whole

• integer

The square root of 2 is an irrational number because...

• All square roots are irrational

• The answer is a decimal that never stops

• Two is an even number

• The answer is 1

Tags

CCSS.8.NS.A.1

A decimal that stops is which type of number? Example: 2.75

• Rational

• Irrational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

Tags

CCSS.8.NS.A.1

Are these real numbers rational or irrational?

Groups:

(a) Rational

,

(b) Irrational

• 7

Repeating decimals are ______________

• Sometimes Rational numbers

• Always Rational numbers

• Sometimes Irrational numbers

• Always Irrational numbers

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Terminating decimals are ______________

• Sometimes Rational numbers

• Always Rational numbers

• Sometimes Irrational numbers

• Always Irrational numbers

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1