Model and Solve One Step Equations Addition

What equation is modeled? Solve the equation.

• x -6 = 13

• x + 6 = 13

• x + 6 = 13

• x - 6 = 13

Tags

TEKS.MATH.6.10A

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

TEKS.MATH.2A.3A

If the triangle represents the variable and each circle equals one, is this model and equation in the image correct?

• Yes

• No, there needs to be 7 circles on the right side of the equal sign.

• No, there needs to be 4 circles on the right side of the equal sign.

• No, there needs to be a minus sign in the equation.

Tags

TEKS.MATH.2A.3A

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

Tags

TEKS.MATH.2A.3A

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

Tags

TEKS.MATH.6.10A

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.
  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

Tags

TEKS.MATH.6.10A

Solve for x

• x = 4

• x = 1

• 2x = 4

• x = 2

Tags

TEKS.MATH.6.10A

Solve the equation using the image. THE RECTANGLES ARE THE VARIABLES & THE SQUARES EQUAL ONE EACH.

• n = 14

• n = 6

• n = 7

• n = 2

Tags

TEKS.MATH.6.10A

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

Tags

TEKS.MATH.2A.3A

-22 + x = -42

• 64

• -64

• 20

• -20

Tags

TEKS.MATH.6.10A