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Let’s Learn!

Calculate coin combinations!

Goal:

Goal:

thinking monkey

Think About It!

Goal: Calculate coin combinations in money problems.

Get your flight suit ready. Sully the Stork will take us on many different flights today! First, we need to learn different combinations of coins to take a flight. Let’s review how to count coins to help us solve money problems!

Click on the flip box to count the values of the coins.

To count pennies,
we count by 1s!
1, 2, 3, 4, 5

To count nickels,
we count by 5s!
5, 10, 15, 20, 25

To count dimes,
we count by 10s!
10, 20, 30, 40, 50

To count quarters,
we count by 25s!
25, 50, 75, 100


Let’s solve word problems about coin combinations so that Sully the Stork can take us on his flights!

Here are the steps to help us solve word problems! As you click through the slide show, click the Show Me button to show you how to use the steps to solve the word problem.

Slide: 1 / 5
Sully the Stork next to a hot-air balloon

Sully the Stork wants to fly in a hot-air balloon. It costs 44¢. What coins can we use to make 44¢? There are many combinations!

Let’s follow the steps to solve money word problems.

Step One: Read It

What is the problem about?

Sully the Stork is taking a hot-air balloon flight. To go on the flight, he needs 44 cents. We need to find a combination of coins equal to 44 cents.

Wait a minute! Sully the Stork wants to remind us that there are many different combinations of coins we can use to get 44¢ for the hot-air balloon flight!

Let’s look at other combinations of coins that equal 44¢.

Click on the tabs to see the different combinations of 44¢!

4 dimes and 4 pennies

Add the value of the coins: 40¢ + 4¢ = 44¢.
Count up: 10¢, 20¢, 30¢, 40¢, 41¢, 42¢, 43¢, 44¢.

3 dimes, 2 nickels, and 4 pennies

Add the value of the coins: 30¢ + 10¢ + 4¢ = 44¢.
Count up: 10¢, 20¢, 30¢, 35¢, 40¢, 41¢, 42¢, 43¢, 44¢.

2 dimes, 4 nickels, and 4 pennies

Add the value of the coins: 20¢ + 20¢ + 4¢ = 44¢.
Count up: 10¢, 20¢, 25¢, 30¢, 35¢, 40¢, 41¢, 42¢, 43¢, 44¢.

1 dime, 6 nickels, and 4 pennies

Add the value of the coins: 10¢ + 30¢ + 4¢ = 44¢.
Count up: 10¢, 15¢, 20¢, 25¢, 30¢, 35¢, 40¢, 41¢, 42¢, 43¢, 44¢.

Wow, that is a lot of coin combinations for 44¢! Now, what if Sully the Stork had $1. If he took the hot-air balloon flight for 44¢, what would be his change?

You are on the money! It is 56¢! Remember, $1.00 can be written as 100¢. If we subtract 44¢ from 100¢, we are left with 56¢. 100¢ – 44¢ = 56¢.

Sully the Stork has taught us so much about coin combinations! Let’s follow him to the air show to solve some more money problems!