One Step Equations Models

-6x = 30

• x = - 5

• x = 24

• x = 5

• x = 36

Which choice models this situation? William needs to sell 25 Husky Cards for a fundraiser by Friday. So far, he has sold 9 cards. How many tickets does he still need to sell?

• t - 9 = 25

• t + 9 = 25

• 9t = 25

• t/9 = 25

Which choice models this situation?

Last week, James worked 35 hours in 5 days on the farm. He worked the same number of hours each day. How many hours did he work each day?

• h - 5 = 35

• h + 5 = 35

• 5h = 35

• h/5 = 35

Which choice models this situation? Maddi participated in a read-a-thon. Mrs. Dunnmeyer pledged $4 for each book read. When it ended, she gave Maddi a total of $44. How many books did Maddi read?

• b - 4 = 44

• b + 4 = 33

• 4b = 44

• b/4 = 44

4x - 12 = -16

Mathematical Equivalence

ON

What is the first step to solve the following equation?

• Add 30 to both sides.

• Subtract 30 from both sides.

• Multiply both sides by 4.

• Divide both sides by 4.

Solve for "n".

1 - 11n = 67

Mathematical Equivalence

ON

What is the first step to solve the following equation?

• Add 30 to both sides.

• Subtract 30 from both sides.

• Multiply both sides by 4.

• Divide both sides by 4.

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

Solve if 3x + 5 = 4

• 1/3

• 2/3

• -1/3

• -2/3