Skill: Choose coins for a small purchase

Explanation and Free Practice Resources

The learner determines which combination of familiar coins—pennies, nickels, dimes, and quarters—has a total value equal to the price of a small purchase, using coin values, skip-counting, and addition to compose amounts of whole cents, typically up to one dollar. The understanding includes recognizing that different coin combinations can represent the same amount and that a coin’s size does not determine its value; making change, using bills, and working with decimal notation are beyond this scope.

Detailed Explanation: Choose coins for a small purchase

First, learn the coin values:

  • Penny = 11 cent
  • Nickel = 55 cents
  • Dime = 1010 cents
  • Quarter = 2525 cents

To choose coins, count their values until you reach the price. Start with the largest helpful coin.

Example: A small toy costs 3737. Which coins can you use?

  1. Use one quarter:
25 cents25\text{ cents}
  1. Count on by 1010 with one dime:
25+10=35 cents25+10=35\text{ cents}
  1. Count on by 11 with two pennies:
35+1+1=37 cents35+1+1=37\text{ cents}

So, you can pay with:

1 quarter+1 dime+2 pennies=37 cents1\text{ quarter}+1\text{ dime}+2\text{ pennies}=37\text{ cents}

The coins do not have to look the same size to have value. Always use the coin’s name and value when counting. Different groups of coins can sometimes make the same amount.

Learn by doing: Choose coins for a small purchase

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Coin Math - Dollar Equivalent - Which Coins Equal a Dollar and Coins (Pictures)


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