Equations Using Models

Jordan had to solve a division problem. Which equation best describes the model?

• 3.6 divided by 3 = 1.2

• 36 divided by 3 = 12

• 0.36 divided by 3 = 0.12

• 0.36 divided by 3 = 0.012

True or False

2 divided by 0.2 = 10

• True

• False

0.21 divided by 7 =?

• 0.3

• 0.03

• 3.0

• 0.04

Which equations matches the division model?

• x = 4
• x = -4
• x = 36
• x = -36

What equation is represented in this hanger diagram?

• 14 = 2x + 3

• 14 = 2x + 6

• 14 = 2x -3

• 14 = 2x - 6

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?

The equation for the model is 3x - 5 = 7.  What is the value of x?

• x = 6

• x = 4

• x = 7

• x = 12

0.6 =

• 2

• 0.2

• 0.02

• 0.002

Which equation best represents the model below?

• 0.15 divided by 3 = 0.05

• 3 divided by 0.05 = 15

• 3 x 0.05 = 15

• 0.05 x 0.15 = 0.75