One Step Equations and Word Problems

If one roll of masking tape costs $1.15, how many rolls can Emma buy with $5.75?  Which equation can be used to find the solution?

•  $1.15(5.75)=x$  

•  $5.75x=1.15$  
  

•  $1.15x=5.75$  
  

•  $1.15+x=5.75$  
  

Abby finds masking tape in packages of 4 rolls for $4.32. What equation shows how to find the cost of one roll in the package?

• $4x=4.32$

• $4.32x=4$
  

• $4(4.324)=x$
  

• $x+4=4.32$
  

Which equation correctly shows the following scenario:

Each pair of socks costs $2.50. if Hunter buys 6 pairs, how much does she pay?

• $6x=2.50$

• $2.50=6x$
  

• $2.50+x=6$
  

• $2.50(6)=x$
  

After paying $5.12 for a salad, Payton has $27.10. How much money did she have before buying the salad?

•  $n+\$5.12=\$27.10$  

•  $n-\$5.12=\$27.10$  
  

•  $\$5.12\cdot\$27.10=x$  
  

•  $\$5.12n=\$27.10$  
  

McKinley earns $14 per hour. Which equation represents how many hours she worked to earn $112? 

•  $14h=112$  

•  $\frac{h}{23}=1$  
  

•  $h+14=112$  
  

•  $h-14=112$  
  

Last Friday Jabari had $29. Over the weekend he received some money for cleaning the attic. He now has $41. How much money did he receive?

•  $29-n=41$  

•  $29n=41$  
  

•  $29+n=41$  
  

•  $\frac{n}{29}=41$  
  

How should you show your work to isolate the variable and solve the equation?

 $x-62=123$  

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the inverse operation needed to solve for  $p$  ?
 $765+p=-3,501$  

• subtraction

• addition

• multiplication

• division

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Which equation would be used to find how many feet the tree grew?

• $f+8=14$

• $f-8=14$
  

• $\frac{f}{8}=14$
  

• $8f=14$
  

Red Shoes Dean bought three candy bars for a total of $18.00. How much did each candy bar cost? Write an equation to solve this problem. Use  $c$   as your variable.

•  $18c=6$  

•  $c+6=18$  
  

•  $c+18=6$  
  

•  $3c=18$