Introduction to Equivalent Expressions

Front

A mathematical ______ that includes numbers, variables, and operations.

Back

expression

Front

A ______ is a symbol (such as a letter) that represents a number.

Back

variable

Front

A ______ is the number in front of the variable (indicating multiplication).

Back

coefficient

Front

Do you agree or disagree with Sara's claim that 3x + 5 cannot be written as 5 + 3x?

Back

Disagree, because addition is commutative and the order does not matter.

Front

Rewrite using the Commutative Property: 5m + 8.

Back

8 + 5m

Front

Rewrite using the Commutative Property: -y - 5.

Back

-5 - y

Front

Rewrite using the Commutative Property: -3n - 2.

Back

-2 - 3n

Front

Expression with two terms: coefficient of -2, constant 5, variable a. Options:

-2a + 5

,

2a - 5

,

-5a + 2

,

5a - 2

Back

-2a + 5

Front

A _______ is an expression consisting of a single number or variable, or numbers and variables multiplied together. *Separated by + or -.

Back

term

Front

A ________ is a number without a variable.

Back

constant