Here is the link for a copy of the Student workbook/textbook in case your child has left it at school. Please go to the gold tab CONTENTS to find the chapter and section that the class is currently working on.
https://www-k6.thinkcentral.com/content/hsp/math/gomath2015/na/gr2/student_edition_ebook_9780544348806_/html5/index.html