1. Use a model for multiplying integers (number lines and dogs or counters) to solve the following problem. Noah is in trouble. He did not realize that his paycheck was late, so his bank account balance was $0 three days ago. For the past 3 days, he has used his debit card to buy $2 coffee. 
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3. If his bank account was $0 and then he spent $2 for coffee each of the past 3 days, what is his balance in his bank account now?

Answer rating: 100% (QA)

Using a number line we can start at 0 and count fo... View the full answer