# Coins: Number Value & Letter Name

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• 0:03 Coins
• 0:37 Quarter
• 1:33 Dime
• 2:23 Nickel
• 2:57 Penny
• 3:45 Lesson Summary
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Lesson Transcript
Instructor: Yuanxin (Amy) Yang Alcocer

Amy has a master's degree in secondary education and has taught math at a public charter high school.

Learn about the coins that we use to purchase things in the United States, including the value of each type of coin, the name of each type of coin, and what each coin looks like.

## Coins

In the United States, we use four different types of coins in our money system. A coin is a flat piece of metal with an official stamp used as money. In this lesson, you will learn what these four different types of coins are.

These days, most of these coins are used at parking meters and at vending machines. For example, if you want a candy bar from a vending machine, you might have to put in 75 cents in coins. You could put in 3 quarters, or a combination of smaller coins if you didn't have 3 quarters. Let's take a look.

## Quarter

A quarter is worth 25 cents. There are 4 quarters in 1 dollar. This is what the front and back of a quarter look like.

The United States Mint has been producing new artwork for coins. As of 2015, there is a special quarter with specific artwork for each of the 50 states in the United States and even more will be coming out. So don't be surprised if you see a quarter that looks different than the one pictured here. This holds true for the other coins as well. There are other designs out there being used at this very moment. The way you can find out if it really is a quarter is if you see the words 'quarter dollar' on it and if the coin has ridges on the side. Quarters measure almost an inch across. They are the biggest of the coins.

Going back to our vending machine, to make 75 cents you can use 3 quarters (25 + 25 + 25 = 75).

## Dime

If you didn't have 3 quarters, you could use a combination of other coins. For example, you could add some dimes. A dime is worth 10 cents. Dimes are the smallest of the coins, measuring approximately 0.7 inches across. Like quarters, dimes also have ridges along the side. This is what the front and back of a typical dime look like.

The dime will have the words 'one dime' written on it, so you know that it is a dime.

Back at the vending machine again, if you had 1 quarter, you could combine it with 5 dimes to make 75 cents. 1 quarter gives you 25 cents and each dime gives you 10 cents, so 5 dimes will give you the additional 50 cents that you need: 25 + 50 = 75.

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