Package includes 140 worksheets.Answers included.Table of Contents.Making Change from U.S. $1 Bills. (20 Worksheets)Making Change from U.S. $5 Bills. (20 Worksheets)Making Change from U.S. $10 Bills. (20 Worksheets)Making Change from U.S. $20 Bills.(20 Worksheets)Making Change from U.S. $50 Bills. (