Rational and Irrational Rules

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

• rational

• irrational

• Rational

• Irrational

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Which set of numbers is closed under division?

• Rational Numbers

• Irrational Numbers

• Whole Numbers

• Integers

Organize these numbers as either Rational or Irrational

Groups:

(a) Rational Numbers

,

(b) Irrational Numbers

• √3

• √11

• 6/11

• 0.33333333.....

• π

• 1.23456

• 12/4

• 2/3

• √7

• 1/2

• 1.23456789...

• 3/4

• √5

• 4/7

• 0.333334......

• √13

• 7/9

• √2

• 5/8

• 9/13

Tags

CCSS.8.NS.A.1

Any number that can be expressed as a ratio of two integers is a _____.

SPELLING MATTERS!!!!

Tags

CCSS.8.NS.A.1

A decimal that continues in a pattern is a (a)   .

• Repeating Decimal

• Terminating Decimal

• Rational Number

• Irrational Number

Tags

CCSS.8.NS.A.1

A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal is known as _____.

Tags

CCSS.8.NS.A.1

A decimal that stops or ends without having to be rounded is a (a)   .

• Terminating Decimal

• Repeating Decimal

• Rational Number

• Irrational Number

Tags

CCSS.8.NS.A.1