# Multiplying with Group Projects Worksheet

## Instructions:

Read each question carefully and answer it to the best of your ability. Show your work and use proper mathematical notation where necessary.

### Section A: Basic Multiplication

- Calculate the product of 7 and 8.
- What is the result of multiplying -3 and 6?
- Find the product of 0 and 5.
- What is the value of (-2) multiplied by (-4)?
- Calculate the product of 9 and -2.

### Section B: Multiplying with Variables

- Simplify the expression 4x * 3y.
- Evaluate the expression 5a * 2b for a = 2 and b = 3.
- Find the product of (2x + 4) and (3x – 5).
- Simplify the expression 2x * 3x.
- Evaluate the expression 4a^2 * b^3 for a = 2 and b = 3.

### Section C: Group Projects

- You and your group members are working on a project that requires you to calculate the total cost of materials for a construction project. If the cost of 1 bag of cement is $10, 1 ton of sand is $50, and 1 ton of gravel is $40, how much will it cost to buy the materials for a project that requires 50 bags of cement, 10 tons of sand, and 20 tons of gravel?
- Your group is working on a project to determine the total profit made by a company in a year. If the company had a revenue of $500,000 and expenses of $250,000, what was their net profit for the year?
- You and your group members are working on a project that requires you to find the area of a rectangular garden. The length of the garden is 20 feet and the width is 15 feet. What is the total area of the garden?
- Your group is working on a project to determine the total number of hours worked by employees at a company in a week. If there are 20 employees and each employee works 8 hours a day for 5 days, how many hours were worked in total?
- You and your group members are working on a project to determine the total cost of a vacation. If the cost of airfare is $500 per person, the cost of lodging is $100 per night, and the cost of food is $50 per day, how much will it cost for 4 people to go on vacation for 7 days?

### Section D: Word Problems

- A store is having a sale where all items are marked down by 20%. If a shirt originally cost $25, how much will it cost during the sale?
- A company produces 5000 units of a product every month. If the production cost per unit is $5, what is the total cost of production for the month?
- A recipe calls for 1/2 cup of sugar to make 12 cookies. How much sugar is needed to make 36 cookies using the same recipe?
- A car travels 120 miles in 2 hours. What is the average speed of the car in miles per hour?
- A company has 50 employees. If the ratio of male to female employees is 3:2, how many male employees does the company have?

### Section E: Bonus

- If a person’s salary is increased by 10%, what is the new salary if the original salary was $50,000?
- A rectangular box has a length of 12 inches, a width of 6 inches, and a height of 8 inches. What is the volume of the box?
- A group of 5 friends want to share a pizza equally. If the pizza has a diameter of 16 inches, what is the area of each person’s slice of pizza?
- A company has a total budget of $10,000 to spend on advertising. If they want to allocate 40% of the budget to television ads, how much money will they have left to spend on other forms of advertising?
- A triangle has a base of 10 cm and a height of 6 cm. What is the area of the triangle?