Using Bar Models to Solve Math Problems

This video tutorial teaches how to use bar models to solve problems by creating equations. It begins with understanding the problem, labeling the model, and then creating equations. The tutorial explains the flexibility of the equal sign and demonstrates solving a problem involving crayons using a bar model. The process includes adding and subtracting to find the solution, ensuring both sides of the equation are equal.

What is the first step in solving a problem using a bar model?

• Guess the answer

• Draw the model without reading

• Understand the problem by reading it

• Compute the answer immediately

What should you do after labeling the bar model?

• Ignore the labels

• Erase the labels

• Chunk the information and draw the model

• Solve the problem immediately

What is a common misunderstanding about the equal sign?

• It is not necessary in equations

• It must always be placed before the answer

• It can only be used in addition

• It can only be used in subtraction

How can you verify if an equation is correct?

• By using only addition

• By ensuring the equal sign is at the end

• By checking if both sides have the same value

• By using only subtraction

What is the total number of crayons Mandy has?

• 16

• 12

• 28

• 15

How many blue crayons does Steven have?

• 16

• 12

• 15

• 13

What operation is used to find the number of blue crayons Steven has?

• Multiplication

• Subtraction

• Division

• Addition