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Money word problems help you practice using coins and dollars in real life. You might buy a snack, save money in a piggy bank, or count change at a toy store. These problems are easier when you look for what is being bought, how much it costs, and how much money you have. Counting carefully helps you make smart choices with money.

Key Facts

  • 1 dollar = 100 cents
  • 1 quarter = 25 cents
  • 1 dime = 10 cents
  • 1 nickel = 5 cents
  • 1 penny = 1 cent
  • Change = money paid - cost

Vocabulary

Cent
A cent is a small unit of money, and 100 cents make 1 dollar.
Dollar
A dollar is a unit of money equal to 100 cents.
Coin
A coin is a round piece of money, such as a penny, nickel, dime, or quarter.
Cost
Cost is the amount of money needed to buy something.
Change
Change is the money you get back when you pay more than the cost.

Common Mistakes to Avoid

  • Mixing up coin values is wrong because a dime is 10 cents and a nickel is 5 cents, even though the nickel is bigger.
  • Adding dollars and cents without converting is wrong because 1and25centsshouldbecountedas125centsor1 and 25 cents should be counted as 125 cents or 1.25.
  • Forgetting to subtract to find change is wrong because change means money paid minus the cost.
  • Counting coins too quickly is wrong because skipping one coin or counting one twice changes the total.

Practice Questions

  1. 1 Mia buys a pizza slice for 75 cents. She pays with 1 dollar. How much change should she get?
  2. 2 Leo has 2 quarters, 1 dime, and 3 pennies. How many cents does he have in all?
  3. 3 A toy costs 65 cents. Sam has 3 quarters, and Ava has 6 dimes. Who has enough money to buy the toy, and how do you know?