1.1-1.3 Quiz Review

Write as a fraction:

 $3.\overline{09}\$  

*remember to simplify!

•  $\frac{309}{100}$  

•  $\frac{34}{11}$  

•  $3\ \frac{9}{10}$  

•  $\frac{3.09}{100}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Write as a fraction:

 $0.\overline{7}$  

•  $\frac{7}{10}$  

•  $\frac{7}{90}$  

•  $\frac{7}{100}$  

•  $\frac{7}{9}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Is this number Rational or Irrational?

 $\sqrt{23}$  

*hint: is 23 a perfect square? 

• Irrational

• Rational

Is this number Rational or Irrational?

 $6.61611611161111...$  

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Is this number Rational or Irrational?

 $0.\overline{4}$  

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Is this number Rational or Irrational?

 $\pi$  

• Rational

• Irrational 

Tags

CCSS.8.NS.A.1

Is this number Rational or Irrational?

 $\sqrt{49}$  

*hint: is this a perfect square? 

• Rational 

• Irrational

Why is this number Rational? Select all that apply. 

 $0.\overline{27}$  

• It is not rational 

• It can be written as a ratio of integers. (fraction)

• It is a non-terminating repeating decimal 

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Why is this number Irrational? select all that apply.

 $4.1411411141111....$  

• This number is rational 

• It can not be written as a ratio of integers (fraction).

• It is non-terminating and non-repeating 

Tags

CCSS.8.NS.A.1

Which two whole numbers this number between? 

 $\sqrt{20}$  

•  $9<\sqrt{20}<16$  

•  $19<\sqrt{20}<21$  

•  $5<\sqrt{20}<6$  

•  $1<\sqrt{20}<20$  

Tags

CCSS.8.NS.A.2