Solving One-Step Equations with Algebra Tiles

What is the first step in solving the equation X + 2 = -4?

• Subtract 2 from both sides

• Add 2 to both sides

• Divide both sides by 2

• Multiply both sides by 2

Tags

CCSS.6.EE.B.7

Why do we add zero pairs before subtracting positive tiles?

• To make the equation more complex

• To balance the equation

• To create enough positive tiles for subtraction

• To increase the number of tiles

Tags

CCSS.8.EE.C.7B

What does adding zero pairs accomplish in solving the equation?

• Changes the value of X

• Eliminates the need for subtraction

• Makes X positive

• Allows for subtraction of tiles

Tags

CCSS.6.EE.B.7

What is the result of subtracting two positive tiles from both sides?

• X = -4

• X = 0

• X = -6

• X = 2

Tags

CCSS.6.EE.B.7

After isolating X, what value do we find for it?

• -4

• 2

• -2

• -6

Tags

CCSS.7.EE.B.4A