Writing Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does the variable 'c' represent in the expression \( \frac{c}{4} \)?

Back

The variable 'c' represents the total number of cookies Joe bought.

Front

If there are 'p' passengers on a plane with 100 seats, how do you express the number of empty seats?

Back

The number of empty seats can be expressed as \( 100 - p \).

Tags

TEKS.MATH.6.7B

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression \( 10 + 2x \), the constant is 10.

Front

How do you represent the total number of chairs if there are 'r' rows with 8 chairs each?

Back

The total number of chairs can be represented as \( 8r \).

Tags

TEKS.MATH.6.7B

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a specific value that does not change.

Front

How do you express the amount of money Catherine still needs for a laptop costing $2,000 if she has 'd' dollars saved?

Back

The expression is \( 2000 - d \).

Front

What does the expression \( 4c \) represent?

Back

The expression \( 4c \) represents four times the number of cookies Joe bought.

Tags

TEKS.MATH.6.7B

Front

In the expression \( 10 + 2x \), what does '2x' represent?

Back

The term '2x' represents a variable term where 'x' is multiplied by 2.

Front

What is the purpose of using algebraic expressions?

Back

Algebraic expressions are used to represent real-world situations mathematically, allowing for problem-solving and analysis.