Solving Money Problems with Negative Numbers

The video tutorial covers the concept of negative numbers in the context of bank accounts and overdrafts. It explains how overdrafts work, allowing users to spend more than their balance, resulting in negative numbers. The lesson includes examples of solving money problems using negative numbers, both with a number line and a written method. The tutorial emphasizes understanding the implications of negative balances and encourages practice to master the concept.

What event led to the discovery of a negative balance?

• A successful large purchase

• A routine check of the bank statement

• A bank error notification

• A declined card at a cafe

What is an overdraft?

• A type of loan from the bank

• A bank error in your favor

• A reward for good banking

• A deposit into your account

How much did the person owe the bank after buying coffees and cupcakes?

• 14 euro

• 12 euro

• 10 euro

• 5 euro

What happens to your balance when you spend more than you have?

• It becomes a negative number

• It remains the same

• It doubles

• It increases

After spending 12 euro when you had 10 euro, what is your new balance?

• 2 euro

• 22 euro

• -2 euro

• -10 euro

What is the new balance after spending 12 euro with a starting balance of 0?

• -4 euro

• -12 euro

• 0 euro

• 12 euro

How do you calculate the new balance using subtraction?

• Multiply the starting balance by expenses

• Divide the starting balance by expenses

• Add the starting balance to expenses

• Subtract expenses from the starting balance

What was the new balance after spending 96 euro with a starting balance of 75 euro?

• -21 euro

• 171 euro

• 21 euro

• -75 euro

Why is it important to avoid a negative balance?

• The bank will seek repayment

• It increases your credit score

• It leads to unlimited funds

• It is considered a bank error

What should you consider when your account balance is low?

• If you really need more coffees

• Withdrawing all your money

• Ignoring the balance

• Requesting a bank loan