Rational and

Irrational Numbers

Date:

Standards

NQ.RN 3 – Understand the properties of rational and irrational numbers

Essential Questions • What are rational and irrational numbers? • What are the properties of rational and irrational numbers?

What are rational and irrational numbers?

Rational Numbers Any real number that can be written as a quotient of two integers where the denominator is not 0. Rational numbers in decimal form are terminating or repeating

WTH?!

What are rational and irrational numbers?

Irrational Numbers A number that cannot be written as a ratio of two integers. Irrational numbers in decimal form are non terminating and non-repeating.

WTH?!

Rational Irrational

What are rational and irrational numbers?

Rational vs. Irrational Why do I care?

We use rational numbers for everyday life.

What are the properties of rational and irrational numbers?

Rational Irrational

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The sum of a rational number and a rational number is rational.

ALWAYS TRUE

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The sum of a rational number and an irrational number is irrational.

ALWAYS TRUE

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The sum of an irrational number and an irrational number is irrational.

SOMETIMES TRUE

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The product of a rational number and a rational number is rational.

ALWAYS TRUE

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The product of a rational number and an irrational number is irrational.

NOT TRUE/ SOMETIMES

What are the properties of rational and irrational numbers?

Rational Irrational

Which of the statements is ALWAYS, SOMETIMES , or NEVER true?

The product of an irrational number and an irrational number is irrational.

SOMETIMES TRUE

REFLECTION:

1)Answer one essential question.

2)How have previous lessons helped or connect with this lesson?

3)What are you still confused on or what new info did you learn?

Homework: Expressions