Intro to Expressions Guided Lesson

they're spelled different

whether it has an equal sign or not

only equations have variables

only expressions have variables

Equation, because it contains numbers and operations, but no equal sign

Expression, because it contains numbers and operations, but no equal sign

Expression, because it contains an equal sign

Equation, because it contains an equal sign

Expression, becasue it is a phrase with numbers and an operation, but no equal sign

Equation, because it is a phrase with numbers and an operation, but no equal sign

Expression, because it contains numbers and variables, but no equal sign

Equation, because it contains numbers and variables, but no equal sign

Equation, because "is" is another way to say "equals"

Expression, because "is" is another way to say "equals"

Equation, because it contains an equal sign

Expression, because it contains an equal sign

Card A:

3x + 3

Card B:

2 + x + x + 1

Card C:

2x - 3

Card D:

x - 3 + x

Agtree they have the same value

Agree they are both expressions

Disagree, Kari wrote an equation, while Brenden wrote an expression

fifty plus twelve

50 +12

50 + 6 + 6

fifty plus twelve is sixty two

+4

-1

-4

+1

6.50 x 2

6.50³

6.50 + 6.50 + 6.50

6.50 ÷ 3