UNIT 5: Equations and Inequalities

Determine the solution for the given equation.

• n=8
• n=5
• n=4
• n=11

Determine the solution for the given equation.

• y=19
• y=37
• y=9
• y=28

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Marilyn has a fish tank that contains 34 fish. There are 4 goldfish and f other fish.
 
Enter an equation, using f as your variable, to represent the situation.

• 34 - 4 = f
• f + 4 = 34
• 34 - f = 4
• f - 4 = 34

Solve the equation

• 1 ¼
• 1 ½
• ¾
• 1 ¾

Enter and solve an equation to find the measure of the unknown angle.

• 90 - x = 55
• x + 55 = 90
• 180 - x = 55
• x + 55 = 180

Select the best real-world problem for the following equation

• Dan spent $130 on a physics text and found that he had only $80 left after his purchase. How much did the book cost?
• Alf spent $130 on a physics text and found that he had only $80 left after his purchase. How much money did he have before buying the book?
• Bob spent $80 on a physics text and found that he had only $130 left after his purchase. How much did the book cost if it was taxed at a rate of 7.5%?
• Chuck spent $130 on a physics text and found that he had only $80 left after his purchase. How much money did he have after buying the book?

Select a real-world problem for the equation

• If the total population of panda bears was initially 450 and then increased by 18, what is the new total population?
• A rocket scientist receives a paycheck for 18 days of work. If he earns 450 dollars per day, how many dollars will the paycheck be worth?
• If a toy manufacturer produces 18 yo-yo's per day, how many days will it take to produce a total of 450 yo-yo's?
• A table top has a length of 450 inches. What is the width of the table top if its area is 18 inches?

Carmen participated in a read-a-thon. Mr. Cole pledged $2.00 per book and gave Carmen $16. How many books did Carmen read?

• 2
• 16
• 8
• 4

On some days, Melvin commutes 1.5 hours per day to the city for business meetings. Last week he commuted for a total of 6 hours.
How many business meetings did Melvin attend last week.

• 4
• 5
• 8
• 6

Enter an inequality that represents the phrase the sum of 1 and y is greater than or equal to 6.

• 1 + y ≥ 6
• 1 + y ≤ 6
• 6 + 1 ≥ y
• 6 + 1 ≤ y