Multiplying Integers Using the Money Model

The video tutorial explains how to multiply integers using the money model. It begins with an introduction to the concept, followed by a review of basic multiplication using groups of squares. The lesson then covers the interpretation of negative symbols, explaining three different meanings. Examples are provided to illustrate positive and negative money calculations, demonstrating how to add and multiply these values. The tutorial also explains the concept of multiplying negative numbers, using the idea of 'opposite' to clarify the process. The lesson concludes with a summary of the key points covered.

What are the three interpretations of a negative sign discussed in the lesson?

• Division, negative number, and opposite of

• Addition, positive number, and opposite of

• Multiplication, positive number, and opposite of

• Subtraction, negative number, and opposite of

If Jane, Kelly, and Erica each owe you $4, how much will you receive in total?

• $16

• $12

• $10

• $8

How would you calculate the total amount you owe if you owe $4 to each of three people?

• Multiply 3 by 4 to get 12

• Subtract $4 three times to get -12

• Multiply 3 by -4 to get -12

• Add $4 three times to get $12

What does the expression 'negative 3 times negative 4' represent in the money model?

• The opposite of owing three people $4 each

• Owing three people $4 each

• The opposite of receiving $4 from three people

• Receiving $4 from three people

In the context of the money model, what does 'the opposite of owing money' mean?

• Spending money

• Saving money

• Receiving money

• Losing money