M6.T3: 3-6 Vocabulary

Definition: Q1: Two ____ that have the same. ____

regardless of the number that is _____

for the same ____ in the expressions.

• algebraic expressions, value, substituted, variable

• algebraic expression, variable, substituted, value

• variable, substituted, value, algebraic expression

• value, algebraic expression, substituted, variable

• * Equivalent expressions can be ____ in more than one way.

• The _____ can be used to write equivalent expressions

• written, properties of operations

• substituted value, properties of operations

• algebraic expressions, variable

• written, substituted value

Examples of Equivalent Expressions are:

• 5.7x + 3.1 + 0.4x

  and 5.7x + 0.4x + 3.1

• 42x - 18 and 6(7x - 3)

• (3x 2) + 5 and 3x * (2 + 5)

• 4n + 6 and 4(n + 1)

NON-Examples of Equivalent Expressions are:

• 8m+4 and 12m

• 42x - 18 and 6(7x - 3)

• (3x * 2)+5 and 3x * (2+5)

• 5.7x+3.1+0.4x and 5.7x+0.4x+3.1