Chapter 4 Practice Test (5th Grade Go Math)

Which of the following equations is correct?

• $10^4\times0.36=3.6$

• $10^3\times3.6=360$

• $10^3\times3.6=3,600$

• $10^4\times3.6=360.00$

 $17.38\times10^3=$  

Look at the expression above. 

Which of these answers correctly solves the equation and provides the correct explanation?

• 0.01738; The decimal point moves to the left 3 times because it is being multiplied by 10 to the 3rd power.

• 17,380; The decimal point moves to the right 3 times because it is being multiplied by 10 to the 3rd power.

• 17,38000; The decimal point moves to the right 3 times after adding 3 zeros to the number since 3 is the value of the exponent.

• 1,738,000; The decimal point moves to the right 3 times because it is being multiplied by 10 to the 3rd power.

 $6.5\times10^5=$  
What is the value of the expression above.

What is the value of the missing exponent in the equation?

• 1

• 2

• 3

• 4

 $0.921\times_-=92.1$  
Which value correctly completes the equation above?

•  $10^0$  

•  $10^1$  

•  $10^2$  

•  $10^3$  

 $45.79\times10^3=$  
Anthony wants to write the expression above as a single number. What should Anthony do to 45.79?

• Move the decimal 2 places to the right 
  

• Move the decimal 2 places to the left
  

• Move the decimal 3 places to the right 

• Move the decimal 3 places to the left

Select the comparison statement that is TRUE. 

•  $0.49\times10^2>0.49\times10^4$  
  

•  $0.49\times10^3>4.9\times10^1$  
  

•  $4.9\times10^0>0.49\times10^3$  
  

•  $4.9\times10^3<0.49\times10^3$  

 $46.25\times10^3$  

Ms. Martin learned about some volcanos. One volcano that she learned about has the height mentioned above. What would Ms.Martin need to do to write the height of the volcano in standard form?

• Move the decimal point to the left three places and add one zero
  

• Move the decimal point to the right three places and add three zero
  

• Move the decimal point to the left three places and add two zero
  

• Move the decimal point to the right three places and add one zero

Mrs.Martell is going to reward a few of her students. To reward them she will be buying each student a Happy Meal. She buys 13 Happy Meals and pays $3.25 for each. What is the total cost of the Happy Meals?

Jean solved the equations below. Which of these equations did Jean solve correctly? Select three that apply.

• $14.60\times10^1=1,460$

• $23.01\times10^3=23,010$

• $3,427\times10^2=342,700$

• $4.8\times10^2=480$

• $5.9\times10^3=590$