7th Grade Thanksgiving Math review

After jumping into the water to a depth of 5 feet below the surface, a deep sea diver continues to descend at a rate of 18 feet per minute. Which of the following equations can be used to determine the depth, y, of the diver given the number of minutes, x, he has been diving?

• y = -18x – 5

• y = 18x – 5

• y = 18x + 5

• y = -18x + 5

Tags

CCSS.HSF-BF.A.1A

A rock climber’s height, in feet, when climbing a shear wall can be expressed by the equation h = 15t, where t is time measured in hours. Which best describes this proportional relationship

• The climber moves 15 feet per hour.

• The climber moves 1/4 foot per hour.

• The climber moves 4 feet per hour.

• The climber moves 1/15 foot per hour.

Tags

CCSS.7.RP.A.2D

Julia, Alex, Mario, and Monica work together to solve the inequality below. 5x – 3 ≥ 17 None of the students agree on how to solve the inequality, though some of them arrived at the same solution. Who has the correct process and solution for this inequality?

• Julia says to add 3 to both sides and then divide by 5. The solution is x = 4.

• Alex says to subtract 3 from both sides and then divide by 5. The solution is x = 4.

• Mario says to subtract 3 from both sides and then divide by 5. The solution is x ≥ 4.

• Monica says to add 3 to both sides then divide by 5. The solution is x ≥ 4.

Tags

CCSS.7.EE.B.4B

There are four seventh-grade math teachers at Central Middle School. Mr. Abbott teaches 120 students in 6 classes, Mrs. Garcia teaches 48 students in 3 classes, Mrs. Nguyen’s 5 classes total 109 students, and Ms. Turner has a total of 121 students in 6 classes. What is the average number of students in each seventh-grade math class at Central Middle School?

• 398

• 19.9

• 99.5

• 24.9

Tags

CCSS.7.EE.B.3

Melvin plans to attend a comic book convention in March. The expenses, including entry fee, hotel, food, and lodging, will be a minimum of $550. Melvin currently has $295 saved. He earns $8.50 per hour at his job as a technician. How many hours will Melvin need to work in order to have enough money to attend the convention?

• x > 30

• x < 30

• x ≤ 30

• x ≥ 30

It takes Bobby and Jeremy 15 minutes to set up 5 tables. If Bobby and Jeremy work at a constant rate, which best describes a possible constant of proportionality?

• 5 tables per minute

• 3 tables per minute

• 5 minutes per table

• 3 minutes per table

Tags

CCSS.7.RP.A.2B

Miles bought 3.75 acres of land in 1993. In 1997, he bought enough land to double his property. Then in 2001, Miles was forced to sell 2.9 acres of land. In 2005, he gave 25% of his remaining land to his daughter. If he did not buy or sell any more land, how much land does Miles have now?

• 2.6 acres

• 7.8 acres

• 3.45 acres

• 1.15 acres

Tags

CCSS.7.NS.A.3

Mrs. Ming had $150.55 in her checking account. She wrote checks for the following amounts: $45.76, $35.00, and $79.82. What is the new balance in Mrs. Ming’s checking account?

• – $8.03

• $10.03

• – $1.61

• Not here

Tags

CCSS.7.NS.A.3

Lien, Ramon, Montel, and Emily bought a gift for their soccer coach. The total cost of the gift, including tax, was $55.80. Montel paid $14, Ramon paid a third of the cost, Emily paid 25% of the cost, and Lien paid the remaining cost. Who paid the greatest part of the cost?

• Lien

• Ramon

• Montel

• Emily

Which correctly shows a list of assets and liabilities?

• Assets: mortgage, car loan, credit card debt

  Liabilities: car value, home value, savings account, retirement savings

• Assets: home value, car value, savings account, retirement savings, credit card debt

  Liabilities: mortgage, car loan

• Assets: home value, savings account, car value, retirement savings

  Liabilities: credit card debt, mortgage, car loan

• Assets: savings account, retirement savings, mortgage, car loan Liabilities: home value, car value, credit card debt