Modeling and One Step Equations with Addition and Subtraction with Algebra Tiles

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Tags

CCSS.HSA.CED.A.3

Which equation below represents the algebra tiles?

Tags

CCSS.HSA.CED.A.3

Which equation below represents the algebra tiles?

Tags

CCSS.HSA.CED.A.3

What equation is represented by these tiles?

Tags

CCSS.HSA.REI.C.8

What would you do to isolate the variable?

• Take away 6 positive unit tiles from both sides of the equation.

• Add 2 negative unit tiles to both sides of the equation.

• Add 6 negative unit tiles to both sides of the equation.

• Add 6 positive unit tiles to both sides of the equation.

Tags

CCSS.6.EE.B.7

An equation is modeled. What value of x makes the equation true?

• -3

• 1

• -1

• 3

Tags

CCSS.6.EE.B.5

What equation is modeled?  Solve the equation.

• 2x = -4    x = -2

• 2x = 4    x = 2

• 2x = 4    x = 8

Tags

CCSS.6.EE.B.7

Write the equation for the model. (white square=1 rectangle=x red square = -1)

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

Tags

CCSS.HSA.CED.A.3

What would be the next step?

• Take away the 6 positives on the left so that the variable is isolated.

• Bring in 6 negatives on the left.

• Move the 6 positives on the left, and place them on the right as negatives.

• Leave it alone

Tags

CCSS.6.EE.B.7

• A

• B

• C

• D

Tags

CCSS.7.EE.B.4A