Free
4+
Counting Bills & Coins lets you practice identifying and solving math problems with money. Count, match, and make change with coins up to quarters and bills up to $20. * Explore U.S. currency. * Coins: 1¢, 5¢, 10¢, 25¢ * Bills: $1, $5, $10, $20 * Choose to work with coins only or coins and bills. * Choose up to three difficulty levels to see front or front and back of money and solve more difficult problems.