Equation Models

Solve for x. 
x + 4 = 14

• 4
• 14
• 10
• -4

Solve for p. 
p + 22 = 66

• 40
• 44
• 22
• 42

Which equation represents the equation?
Charlie and Anthony together have 340 trading cards. If Charlie has 160 trading cards, how many does Anthony have?

• 160 + c = 340 
• c + 340 = 160
• 160 - c = 340
• c - 340 = 160

Which equation represents the question?
The average length of a King Cobra is 118 inches, which is 22 inches longer than a Black Mamba. What is the average length of a Black Mamba?

• 118 + 22 = m
• m + 22 = 118 
• m - 22 = 140 
• 118 = 22 - m

Solve for c.
c - 8 = 5

• 3
• 8
• 5
• 13

Solve for x. 
x - 7 = 2

• 7 
• 2 
• 9
• 5

What is the value of q in the following equation?
6 + q = 4 + 5

• 2
• 5
• 3
• 4

What is the value of k in the following equation?
(9 - 6) + 5 = k

• 11
• 10
• 9
• 8

What is the value of g in the following equation?
(24 ÷ 6) - g = 2

• 2
• 4
• 6
• 8

Mr. S. normally uses praise as a reward to train his dog.  He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?

• amount of times the dog follows the command
• type of reward
•  praise
• type of dog