8th Math 5.1.1 Rational Numbers

Where does each number go in the Venn diagram?

b

c

d

e

a

0

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

Groups:

(a) Rational

,

(b) Irrational

• 64

• 0.152368...

• 0.2

• 0.3333.....

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

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

A REPEATING decimal is what type of number?

• Rational 
• Irrational

A repeating decimal is what type of number?

• Rational 
• Irrational

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

• Rational
• Irrational

• Rational

• Irrational

How would the fraction 4/10 be written as a decimal?

• 4.10

• 0.4

• 0.04

• 40