Writing Equations

Kelly saves $5 every week. Which equation represents the amount of money,  $m$  Kelly will save, in  $w$ , weeks?

•  $m=\frac{5}{w}$  

•  $m=5+w$  

•  $m=5\cdot w$  

•  $m=5-w$  

Tags

CCSS.6.EE.C.9

Jasen has a coupon for $10 OFF a video game. Which equation represents the relationship between the original price,  $p$ , and the new price,  $N$ , of the video game?

•  $N=10p$  

•  $N=p+10$  

•  $p=N-10$  

•  $N=p-10$  

Tags

CCSS.6.EE.C.9

A train travels at a constant speed of 95 miles per hour. Which equation represents  $d$ , the total distance the train traveled, for every  $h$ , hours?

Tags

CCSS.HSF-LE.A.1B

A hotel has a certain number of rooms,  $r$  . Each room has 2 chairs. Which equation represents the total number of chairs,  $c$ , in all of the rooms at the hotel?

•  $c=2\cdot r$  

•  $c=\frac{2}{r}$  

•  $c=2-r$  

•  $c=2+r$  

Tags

CCSS.6.EE.C.9

Mrs. Fetes has 130 pieces of jolly-ranchers she wants to give out to students who stay after school for extra help. Which equation represents the relationship between the total pieces of candy each student gets,  $p$ , to the number of students who stay after school,  $s$ ?

•  $p=\frac{130}{s}$  

•  $p=130\cdot s$  

•  $p=130+s$  

•  $s=\frac{130}{p}$  

Tags

CCSS.6.EE.C.9

The EIMS 6th graders are going to the movies. Each ticket costs $8.50 per person. Write an equation for the total cost,  $t$ , based on the number of students who go to the movies,  $s$ .

Tags

CCSS.6.EE.C.9

Staples sells 18 glue sticks in a package. Write an equation that represents the total number of glue sticks,  $g$ , in  $p$ , packages.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Jayla and Shiloh are making necklaces. Jayla makes 3 more necklaces than Shiloh. Write an equation that represents the total number of necklaces Jayla made,  $j$ , to the number that Shiloh made,  $s$ .

Tags

CCSS.HSA.CED.A.3

Someone thought of a number. This person added 4 to it. They then multiplied it by 7. There final answer was 0. What is an equation to help solve this?

• 7(N+4) = 0

• 7n + 4 =0

• N + 4 x 7 = 0

Tags

CCSS.HSA.CED.A.3

Someone thought of a number. This person added 4 to it. They then multiplied it by 7. There final answer was 0. What number did this person think of?

• -4

• 4

• 1

• -1

Tags

CCSS.7.NS.A.3