Number Sense Unit 1 (Part A)

Which of the following are irrational? Choose all that apply.

• $1.282282228...$
  

• $7\pi$

• $\sqrt{36}$

• $-\sqrt{65}$

Tags

CCSS.8.NS.A.1

Which of the following are rational? Check all that apply.

•  $-3$  
  

•  $9.546$  
  

•  $8.363363336...$  
  

• $\sqrt{19}$

• $\frac{5}{7}$

Which of the following are irrational? Check all that apply.

• $\sqrt{42}+\ 6$

• $\frac{\sqrt{25}}{5}$

• $-\sqrt{4}$

• $9\sqrt{73}$

Tags

CCSS.8.NS.A.1

Which of the following are rational? Check all that apply.

• $7.24$
  

• $0.\overline{9}$

• $8.\overline{56}$

• $0.76776777677776...$
  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Convert  $0.\overline{4}$  into a fraction. Simplify if needed.

•  $\frac{4}{9}$  

•  $\frac{4}{11}$  

•  $\frac{2}{5}$  

•  $\frac{5}{12}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Convert  $\frac{3}{18}$  into a decimal.

•  $0.1\overline{6}$  

•  $0.318$  
  

•  $0.183$  
  

•  $0.3$  
  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Convert  $4.\overline{5}$  into a fraction. Simplify if needed.

•  $4\frac{5}{9}$  

•  $\frac{5}{9}$  

•  $4\frac{5}{10}$  

•  $\frac{1}{2}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Convert  $0.55$ into a fraction. Simplify if needed.

• $\frac{11}{20}$

• $\frac{1}{2}$

• $\frac{2}{7}$

• $\frac{5}{11}$

Convert  $-4\ \frac{21}{25}$  into a decimal.

•  $-4.21$  

•  $-4.84$  

•  $-4.25$  

•  $-4.\overline{21}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Convert  $\frac{81}{99}$  into a decimal.

•  $0.\overline{81}$  

•  $0.81$  
  

•  $0.9$  
  

•  $0.\overline{98}$  

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D