http://www.texaspaleo.com/psa/fest.html#admission
I gave my students a Guided Reading Workbook.
This is to go home and stay at home unless I ask them to
bring it to school. It is NOT required that they do pages from
the workbook. It was given to them to provide them a study
tool or for extra help in Science if they need it. They can do pages
in it for extra credit but it is NOT required. It tells them the page
numbers the answers can be found on. They can use the online textbook
by Chapter and section or by page number.