Write Equations From a Real World Situation

Which of the following problems can be solved by using the equation

x + 5 = 24

• Claire had 24 dolls in her collection. She added five more to it. How many dolls does she now have in her collection?

• Lindsey has 5 times as many crayons as her sister. Her sister has 24 crayons. How many crayons does Lindsey have?

• Jameson earned $5 in tips on Monday delivering packages. For the rest of the week earned $24 in tips. How much did James earn in tips for the entire week?

• Melissa received a gift of of 5 magazines to add to her collection. The brought the total number of magazines to 24. How many did she have before she received her gift?

Tags

CCSS.6.EE.B.7

Which problem situation matches this equation?

74.80 = 8x

• Karen got $8 per hour for babysitting. Find x, the amount she was paid for 8 hours.

• The cost of a video game is $74.80. Find x, the amount Josh needs to be the game if he had $8.

• 8 friends spent $74.80 each pay for a camping trip. Find x, the total amount they paid.

• Charlene got a paycheck for $74.80 for 8 hours of work. Find x, the amount she was paid per hour.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Orange Box charges $3.00 to rent a movie. Write an equation to represent the cost of renting x movies.

• y= 3.00x

• x= 3.00y

• y=1.5x

• y=3.00x + 3

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Translate the sentence into an equation:

Seven subtracted from n is 18

• n + 7 = 18

• 7 - n = 18

• n - 7 = 18

• n + 7 = 18n

Tags

TEKS.MATH.7.10A

TEKS.MATH.8.8A

If one roll of masking tape costs $1.15, how many rolls can Emma buy  with $5.75?

• 1.15(5.75) = x
• 5.75x = 1.15
• 1.15x = 5.75
• x = 1.15/ 5.75

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

Ashley finds masking tape in packages of 4 rolls for $4.32. What is the cost of one roll in  the package?

• 4x = 4.32
• 4.32x = 4
• 4(4.324) = x
• 4/ 4.32 = x

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

CCSS.6.RP.A.2

CCSS.6.RP.A.3

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

• 6x = 2.50
• 2.50 = 6x
• 6 = 2.50x
• 2.50(6) = x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Andrew needs to save to by the IPOD?

• 55 + x = 145
• 145x = 55
• 55 - x = 145
• 145 (55) = x

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Two hundred seventy-six people are seated in 12 identical rows for a performance of a school play. How many people are in each row? Let p be the number of people in each row.

• p = 276 ÷ 12
• p = 276 ⋅ 12
• 276p = 12
• p = 12 + 276

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.2

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

• f/8 = 14

• 8f=14

Tags

CCSS.HSA.CED.A.3