Primary Mathematics (Standards Edition) is based on the highly successful Primary Mathematics series from Singapore. The use of Primary Mathematics has contributed to Singapore's first place ranking in the Trends in International Mathematics and Science Study (TIMMS) in 1995, 1999 and 2003. This series has been updated to align with the standards adopted by the California State Board of Education and is now available as a complete package for U.S. schools. Designed to equip students with a strong foundation in mathematics and critical thinking skills, this program offers an integrated solution to different learning needs in the classroom for grades 1 to 6. - Publisher.