Writing Algebraic Expressions from Verbal Phrases

The video tutorial explains how to create algebraic expressions using real-world examples. It begins with identifying variables and modeling scenarios, such as calculating earnings with additional amounts. The tutorial emphasizes the importance of underlining keywords and circling numbers to aid in forming expressions. A second example demonstrates using variables to represent points, involving multiple operations like multiplication and subtraction. The video aims to teach students how to construct algebraic expressions by understanding the relationship between variables and operations.

What is the first step in solving an algebraic expression problem?

• Writing an expression

• Drawing a model

• Identifying a variable

• Circling the numbers

If Ryan earned an unknown amount, which variable could represent his earnings?

• R

• E

• X

• D

What should you do after identifying the variable in an algebraic problem?

• Circle the numbers

• Draw a model

• Write an expression

• Underline keywords

What is the final step in solving an algebraic expression problem?

• Circling the numbers

• Writing an expression

• Drawing a model

• Identifying a variable

In the example problem, what operation is performed after multiplying the points by three?

• Subtracting five

• Dividing by five

• Multiplying by five

• Adding five

Which key phrases are underlined in the example problem involving points?

• Three times and less than

• Five and three

• Model and expression

• Points and number

What is the expression for 'five less than three times the number of points'?

• 5 - 3P

• 5P - 3

• 3P + 5

• 3P - 5