The topics in this unit focus on understanding variables and algebra. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Some coins have a total value of $1.28. There are 1/3 as many Dimes as Pennies and 1/3 as many Quarters as Dimes. How many Dimes are there?
Earned ?