Writing Equations

What equation matches this situation?
John wants to buy an MP3 Player that costs $30.98.  How much change did he receive if he gives the cashier $40.

• 40 + c = 30.98
• 30.98 + c = 40
• c - 40 = 30.98
• c - 30.98 = 40

Tags

CCSS.HSA.CED.A.3

What do the following terms mean:
is
equal
the same as 

• +
• -
• =
• x

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

2. Cheryl gets paid $8 per hour for her job at the record store.  She made a total of $96 last week.  Which equation models this situation?

• 96h = 8
• h/96 = 8
• 8h = 96
• h/8 = 96

Tags

CCSS.HSA.CED.A.3

Write an equation models the following statement:
 17 less than h equals 42

• 17-h=42
• h-17=42
• h+17=42
• 17+h=42

Tags

CCSS.HSA.CED.A.3

1. Ted bought a dolphin poster for $12.  He now has $5.  Which choice models this situation?

• m - 12 = 5
• m - 5 = 12
• m + 5 = 12
• m + 12 = 5

Tags

CCSS.HSA.CED.A.3

4. There are 3 tennis balls in each can.  The coach bought a total of 27 tennis balls.  Which choice models this situation?

• x/3 = 27
• 27x = 3
• x/27 = 3
• 3x = 27

Tags

CCSS.2.OA.C.3

5.  After dropping 5ºF, the temperature was 37ºF.  Which choice models this situation?

• d - 37 = 5
• d + 5 = 37
• d - 5 = 37
• d + 37 = 5

Tags

CCSS.HSA.CED.A.3

Which choice models this situation?
Robyn had some video games, then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10/4 = v
• 4v = 10

Tags

CCSS.HSA.CED.A.3

Last Friday Stefan had $35. Over the weekend, his parents gave him some money for washing the car and now he has $47. Write an equation to determine how much his parents paid him for washing the car.

• $35-x=47$

• $\frac{x}{35}=47$

• $35+x=47$

• $35x=47$

Tags

CCSS.HSA.CED.A.3

Which choice models this situation? Marcus needs to sell 25 tickets to a fundraiser by Friday. So far, he has sold 9 tickets. How many tickets does he still need to sell?

• t - 9 = 25

• t + 9 = 25

• 9t = 25

• t/9 = 25

Tags

CCSS.HSA.CED.A.3