Equation Models

Theo has 50 pounds of cookies he needed to evenly distribute into 2.5- pound boxes.  How many boxes of cookies can Theo put together? 
Which equation models this situation?

• 2.5 + b = 50

• 50 - 2.5 = b

• 2.5b = 50

• 2.5 ÷ b = 50

Tags

CCSS.HSA.CED.A.3

The table shows the perimeter, p, of several squares. Which equation models the relationship?

• p = n + 4

• n = p + 4

• n = 4p

• p = 4n

Tags

CCSS.6.EE.C.9

Which equation models the volume of a rectangular prism that is 20 centimeters long, 20 centimeters wide, and 200 millimeters tall?

• V = 20³

• V = 40 × 200

• V = 20 + 20 + 20

• V = (20 × 20) + 200

Tags

CCSS.7.G.B.6

The table shows the steps Alan took to simplify an expression. What mistake did Alan make?

• No mistake was made.

• Division should be done before computing the exponent.

• Subtraction should be done before division.

• Exponents and division should be computed before addition.

Tags

CCSS.6.EE.A.1

What is the solution to the equation represented by the model?

• 2

• 4

• 5

• 7

Tags

CCSS.7.EE.B.4A

What is the solution to the equation represented by the model?

• 2

• 3

• 5

• 10

Tags

CCSS.8.EE.C.7B

What is the solution to the equation represented by the model?

• 2

• 3

• 5

• 10

Tags

CCSS.7.EE.B.4A

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which equation models the amount she charges over time?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the solution to the equation represented by the model?

• 2

• 4

• 5

• 7

Tags

CCSS.7.EE.B.4A

What equation is represented in this hanger diagram?

• 14 = 2x + 3

• 14 = 2x + 6

• 14 = 2x -3

• 14 = 2x - 6

Tags

CCSS.HSA.CED.A.3