CCSS.Math.Content.7.EE.B.3

Solve for x:
3(5x + 10) + 10 = 6x - (x + 10)

• 3
• -3
• -5
• 5

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CCSS.Math.Content.7.EE.B.3

Find the slope of this line.

• m = 11
• m = 1
• m = 2

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CCSS.Math.Content.7.EE.B.3

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

• The student found an incorrect common denominator
• The student did not multiply all terms by the common denominator
• The student did not use opposite operations appropriately
• The student did not correctly eliminate the variable from one side of the equation

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CCSS.Math.Content.7.EE.B.3

The bathroom shower in Janet's  house uses 7 gallons of water per minute.  If Janet installs a water-saving device, the shower will use only 2½ gallons of water per minute.  How many gallons of water will Janet save during a 12 minute shower after the water saving device is installed? 

• 54 gal
• 30 gal
• 114 gal
• 66 gal

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CCSS.Math.Content.7.EE.B.3

A submarine was 1800 ft below sea level. It dove another 1500 feet deeper. Which integer represents its location? 

• -300
• -1300
• -3300
• 300

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CCSS.Math.Content.7.EE.B.3

Maria has 25 dollars.  She has to buy a gallon of milk which costs $3.50.  She wants to spend the rest of her money on cereal.  If each box of cereal costs $4.50, how many can she purchase?

• 4 boxes
• 5 boxes
• 6 boxes
• 7 boxes

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CCSS.Math.Content.7.EE.B.3

A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level. How many feet did she descend?

• 523 feet

• 543 feet

• 0 feet

• 500 feet

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CCSS.Math.Content.7.EE.B.3

6 - 3a = 21

• a= 9
• a= -9
• a= -5
• a= 5

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CCSS.Math.Content.7.EE.B.3

Justin bought 6.95 lbs of cherry and lime jelly beans for his birthday party. If 1.75 lbs were cherry flavor, how many pounds were lime flavor?

• 5.2

• 8.7

• 9.7

• 5.02

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CCSS.Math.Content.7.EE.B.3

Which answer choice makes the equation true?

• 9

• -9

• 3

• -3

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CCSS.Math.Content.7.EE.B.3