Using models to solve equations - algebra tiles: x+a = b

Which diagram models the equation x + 6 = -5 ?

• 
• 
• 
• 

Which diagram models the equation x - 5 = 4 ?

• 
• 
• 
• 

Which diagram models the equation x - 4 = -5 ?

• 
• 
• 
• 

How would you isolate the variable in the equation represented by the model?

• by adding 4 red tiles to both sides

• by removing 4 yellow tiles from both sides

• by adding 5 yellow tiles to both sides

• by removing 5 red tiles from both sides

How would you isolate the variable in the equation represented by the model?

• by removing 6 yellow tiles from both sides

• by adding 6 red tiles to both sides

• by adding 5 yellow tiles to both sides

• by adding 6 yellow tiles to both sides

What is the solution of the equation solved in the model? (Write only the number) x = ?

What is the solution of the equation solved in the model? (Write only the number) x = ?

Which equation resulst in x = 0 ?

• 
• 
• 
• 

In which equation is the variable isolated by adding 3 red tiles on both sides?

• 
• 
• 
• 

Which model shows a correctly solved equation ?

• 
• 
• 
•