Addition One Step Equations with Models

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 choice models this situation? Marcus needs to sell 25 tickets to a fundraiser by Friday. So far, he has sold 9 tickets. How many tickets does he still need to sell?

• t - 9 = 25

• t + 9 = 25

• 9t = 25

• t/9 = 25

Tags

CCSS.HSA.CED.A.3

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

Tags

CCSS.HSA.CED.A.3

What equation is modeled?  Solve the equation.

• 2x = -4    x = -2

• 2x = 4    x = 2

• 2x = 4    x = 8

Tags

CCSS.HSA.CED.A.3

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

Which is the solution to the equation represented in the model?

• 4

• -2

• 2

• -4

Tags

CCSS.7.EE.B.4A

Solve for the missing variable:

• 21

• 61

• - 20

• 24

Tags

CCSS.6.EE.B.7

• 4
• 6
• -4
• 5

Tags

CCSS.6.EE.B.7

• 7

• 5

• 4

• 2

Tags

CCSS.6.EE.B.7

Which equation is modeled?

• 2x = 4

• 2x = 1

• 2x = 4x

• 1x = 4

Tags

CCSS.HSA.CED.A.3