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by HOUGHTON MIFFLIN HARCOURTHardcover 
 
 
 ISBN: 978-0-547-61811-1 ISBN-10: 0-547-61811-5 HOUGHTON MIFFLIN HARCOURT · 2012  | 
| See also: | ||
| 2011 | Hardcover | Math in Focus: Singapore Math: Student Edition Set Course 1 2012 | 
| 2011 | Paperback | Math in Focus: Singapore Math: Teacher Edition Set Course 1 2012 |