Pre-Algebra Part 1 Midterm Name: Pre-Algebra Part 1 Midterm Directions: Answer the questions below. Make sure to show your work and justify all your answers. 1. Miss Wilson has spent $6 on breakfast...

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Pre-Algebra Part 1 Midterm Name: Pre-Algebra Part 1 Midterm Directions: Answer the questions below. Make sure to show your work and justify all your answers. 1. Miss Wilson has spent $6 on breakfast using her debit card 5 mornings per week for the past 8 weeks. What is the change in Miss Wilson’s account balance from buying breakfast during this time? Write a multiplication expression. Then find and interpret the product. (SHOW WORK) 2. Tom drank quarts of water and his sister Jane drank 1.75 quarts of water. Write the amount that Jane drank using a fraction. Who drank more water? (SHOW WORK) 3. The diameter of Earth’s moon is on average m. Use the formula to find the approximate surface area. (Use 3.14 for the value of .) (SHOW WORK) 4. Cindy bought a car for $21,330. A few years later, she sold the car for $19,700. Find the percent of change in the value. (SHOW WORK) 5. The hard drive in Meredith’s new computer is 1.5 TB, which has a storage capacity of bytes. Her old computer had a hard drive that stored 120 GB, or . How many times larger is the storage capacity of Meredith’s new hard drive? (SHOW WORK) 6. Karen buys 2 packages of printer paper for $5.79 each, a box of pens for $9.25, a box of paperclips for $2.29, and a calendar for $12.50. If a 6.25% sales tax is added, what is the total cost of Karen’s purchase? (SHOW WORK) Name: Pre-Algebra Part 1 Midterm Directions: Answer the questions below. Make sure to show your work and justify all your answers. 7. A music teacher charged $80.25 for hours. What was the hourly fee to the nearest cent? (SHOW WORK) 8. Abbey is stacking boxes of candles for a store display. The volume of each cube-shaped box is 125 cubic inches. If the display has six layers of boxes, how high is the display? (SHOW WORK) 9. A student measured the temperature in degrees Celsius for several winter days and recorded the data in a list. Find the average of the temperatures listed. (SHOW WORK) 10. Elsie pays $8.99 for a one-pound canister of Georgia pecans. Write and solve a proportion to determine the cost of 4 ounces of the pecans she needs for a particular recipe. (Round answer to the nearest cent.) (SHOW WORK) 11. How many kilometers is it from the main gate to Manatee Springs? (Hint: To convert from yards to kilometers, multiply by 0.0009144). Round answer to the nearest hundredth kilometer. (SHOW WORK) Name: Pre-Algebra Part 1 Midterm Directions: Answer the questions below. Make sure to show your work and justify all your answers. 12. Out of the 21 students in Mrs. Clark’s class, of the class are boys and of the class are girls. How many students in the class are girls and how many are boys? (SHOW WORK) Solve using an appropriate problem-solving strategy. 13. Jacob is saving to buy an MP3 player that costs $195. He earns $225 a week at a part-time job. His expenses are $180 a week. If he currently has saved $55, how many more weeks will it be before he can buy the MP3 player? (SHOW WORK) 14. Blank CDs come in spindles of 25 or 60. Rachel needs 230 blank CDs for her eighth grade science class. How many spindles of each amount should she buy? (SHOW WORK) 15. Charles deposited $12,000 in the bank. He withdrew $5000 from his account after one year. If he receives a total amount of $9340 after 3 years, find the rate of simple interest. (SHOW WORK) 16. Bev earns $2 a week for taking out her neighbor’s trash cans. Complete the table of values. Then state the domain and range. Number of Weeks Money Earned 1 2 3 4 Name: Pre-Algebra Part 1 Midterm Directions: Answer the questions below. Make sure to show your work and justify all your answers. Use the information in the table below to answer the following questions. Book Exhibition Ticket Cost Adults $22 Children $15 Seniors $14 17. How much more will the total cost of three adult tickets be than three children tickets? (SHOW WORK) 18. The mass of a small virus is kg. The mass of an average human cell is kg. Which of the two has a lesser mass? How many times less is it? (SHOW WORK) 19. In a concert hall, 250 seats out of 300 seats were occupied. To the nearest thousandth, what part of the hall was not occupied? (SHOW WORK) 20. The difference between Maggie’s age and Terrance’s age is 3. If x represents Maggie’s age and y represents Terrance’s age, make a table of possible values for x and y. Graph the ordered pairs and describe the graph. (SHOW WORK)