Modeling One Step Equations

Solve for x

• x = 4

• x = 1

• 2x = 4

• x = 2

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

Which equation matches the image? THE CUP IS THE VARIABLE & THE CIRCLES EQUAL ONE EACH.

• n + 2 = 6

• 2n = 6

• 2n = 5

• n + 2 = 5

Which equations matches the picture?

• 3B + 1 = 6

• B + 3 = 6

• 1 + 3 = 6

• 6 = 3B + 1

Write the equation for the model.

• 10=2-x

• -10=-x+2

• -10=x-2

• -10=x+2

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

Write the equation for the model.

• 7 = x + 3

• 7 = x + (-3)

• 7 = (-x) + 3

• (-7) = x - 3

Which equation matches the picture above?

• c = 4

• 1 + 1 = 8

• 2 = 8

• 2C = 8

What do these Algebra Tiles represent?

• 2x = 8

• - 2x = - 8

• 3x = 12

• 5x = -8

What equation is modeled?  Solve the equation.

• x - 6 = 13

  x = 19

• x + 6 = 13

  x = 7

• x + 6 = 13 

  x = 8

• x - 6 = 13

  x = 7