Inequality Word Problems (Introduction)

Which inequality is represented by the words " no more than"?

• <

• >

• ≤

• ≥

Which inequality is represented by the words " more than"?

• <
• >
• ≤
• ≥

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Which inequality is represented by the words "less than"?

• <
• >
• ≤
• ≥

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Which inequality is represented by the words " at least"?

• <
• >
• ≤
• ≥

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

A limo driver needs to make more than $450 in one day.  He charges a rental fee of $375 and $0.85 per mile.  What inequality represents the number of miles, x, he would have to drive to reach his goal?

• 0.85x + 375 > 450
• 0.85x + 375 < 450
• 0.85 + 375x > 450
• 0.85 + 375x < 450

Tags

CCSS.7.EE.B.4B

Katie wants to have at least $200 in her bank account by the end of the month. She currently has $25 in her bank account. Katie makes $12 for each dog that she walks.

Which inequality could help you find how many dogs Katie would have to walk to reach her goal?

• 25 - 12x ≥ 200

• 25 + 12x ≥ 200

• 13x ≥ 200

• 25 + 12x < 200

Tags

CCSS.7.EE.B.4B

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn.

Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100

• 5x - 100 ≥ 10

• 10x + 5 ≤ 100

• 5x + 10 > 100

Tags

CCSS.7.EE.B.4B

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Write the inequality to the problem.

• 14x+30 ≥ 240

• 14x+30 ≤ 240

• 30x+14 ≥ 240

• 30x+14 ≤ 240

Tags

CCSS.7.EE.B.4B

Stacy, a 10 year old girl, has $25 in her savings account. She is selling lemonade for $0.50. How many cups of lemonade does Stacy need to sell to reach a minimum of $150 in her savings account?

Using the CUBES Strategy, what are the key numbers in this problem? Select ALL that apply.

• 0.50

• 10

• 25

• 150

Stacy, a 10 year old girl, has $25 in her savings account. She is selling lemonade for $0.50. How many cups of lemonade does Stacy need to sell to reach a minimum of $150 in her savings account?

What variable needs to be defined?

• girl

• dollars

• cups of lemonade

• savings account