Adding Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to add expressions?

Back

Adding expressions involves combining like terms to simplify the expression into a single expression.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by each term inside a parenthesis.

Front

Simplify: 4(2.5g - 4) + 3(1.2g - 2)

Back

13g - 22

Front

Simplify: (3d - 5) + (d + 3)

Back

4d - 2

Front

What is the result of adding (3x + 5) + (2x + 3)?

Back

5x + 8

Front

Simplify: (−3x + 7) + (2x − 5)

Back

−x + 2

Front

What is the sum of (-m + 3) + (7m – 1)?

Back

6m + 2

Front

What is a variable in an expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.