Expressions vs. Equations

Expressions vs. Equations

September 28, 2020

Open Ended

What do you remember about expressions?

Multiple Select

Select all the expressions:

• 25

• 3x+5=25

• 3x+5

• -3x+5=25

What do you notice?

Open Ended

What do you notice?

Equation

Two expressions that are separated by an equal sign.

Open Ended

What does an equation tell us?

An Equation

Tells us that the two sides are equal to one another

Multiple Select

Select all the equations

• 22

• 5x+25=22

• 5x+25

• -1 (2x+5)= 10

Multiple Choice

What can you do with an equation?

• Solve

• I don't know

Multiple Choice

What does it mean to solve an equation?

• Make the expression smaller without changing it values

• Replace the variable with the given number

• Find the value of the variable

• I don't know/remember

Open Ended

Solve the following equation:

2x = 10

Open Ended

Solve the following equation:

2x+ 5 = 25