Writing Algebraic Equations: Multiplication and Division in Real-World Scenarios

This lesson teaches how to write algebraic equations from real-world scenarios by determining when to use multiplication and division. It begins with an introduction to variables, followed by examples such as splitting rent among friends using multiplication and dividing ribbon for presents. The lesson concludes with a summary of the key concepts.

What is a variable in algebra?

• A fixed number

• A letter or symbol representing an unknown number

• A mathematical operation

• A type of equation

In the rent sharing example, what operation is used to find how much each person pays?

• Division

• Subtraction

• Multiplication

• Addition

How many people are sharing the rent in the example?

• Six

• Five

• Four

• Three

In the ribbon example, what operation is used to determine the total ribbon used?

• Division

• Addition

• Subtraction

• Multiplication

How many yards of ribbon does each present use in the example?

• 2 yards

• 3 yards

• 4 yards

• 5 yards