💵 Money Math
Count coins, make change, and become a smart money math whiz!
What you’ll learn
- Explain what money is, name US coin values, read dollars and cents, and count a group of coins.Money lets people buy things and comes as coins and bills. US coins are the penny (1c), nickel (5c), dime (10c), and quarter (25c). One dollar equals 100 cents, and coins are counted from largest value to smallest.
- Add money amounts, make change, and make smart saving and spending choices.Money is added by lining up decimal points and carrying at 100 cents. Making change is finding what you get back after paying. Saving means keeping money for later, and smart shoppers compare prices to get the best value.
Questions this course answers
How many cents is a quarter worth?
A quarter is worth 25 cents, so four quarters make one dollar.
How many cents are in one dollar?
One dollar equals 100 cents, which is why four quarters or ten dimes make a dollar.
Which coin is the smallest in size but worth 10 cents?
The dime is the smallest coin in size, yet it is worth 10 cents, more than a nickel.
What is $2.50 plus $1.25?
Adding the dollars and cents gives $3.75.
If a toy costs $3.00 and you pay with $5.00, how much change do you get?
Change is $5.00 minus $3.00, which equals $2.00.
What does it mean to save money?
Saving means keeping money to use later, often for something bigger you are planning for.
Grounded in trusted sources
- Britannica Kids, 'Money' (kids.britannica.com)
- U.S. Mint, 'Coins and Medals' (usmint.gov)
- Federal Reserve Education, money and currency basics (federalreserveeducation.org)
- Math Is Fun, 'Money' (mathsisfun.com)
Every Wunder lesson is built from real, reputable sources — never invented.
Related Math courses
Wunder is a personalized learn-anything platform — tell it any topic and it builds a beautiful, fact-checked course in minutes, with narration, a knowledge check, and a college-style University track.
Browse more Math courses · All topics · Home
© 2026 Wunder Learning LLC · Terms & Privacy