8 Lesson 1: Rational & Irrational Numbers

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Tags

CCSS.8.NS.A.1

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

A fraction is which type of number?

• Rational
• Irrational

Which of the following is a rational number?

• π
• √8
• .56565656....
• √10

Which of the following is an irrational number?

• 0.333

• $\sqrt{8}$

• $\sqrt{49}$

• $\frac{5}{22}$

Tags

CCSS.8.NS.A.1

The value of π cannot be written as the ratio of two integers. Which statement is true?

• π is a rational number.

• π is an irrational number.

• The decimal expansion of π terminates.

• The decimal expansion of π repeats.

Tags

CCSS.8.NS.A.1

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

√ 16 

• 8
• 3
• 4
• 6

Tags

CCSS.6.EE.A.1

A perfect square is when a whole number is multiplied by itself?

• FALSE
• TRUE

Tags

CCSS.6.EE.A.1