Mathematics Standards for Kindergarten (U.S. - average age 5 years old)

Mathematics Standards for First Grade (U.S. - average age 6 years old)

Mathematics Standards for Second Grade (U.S. - average age 7 years old)

Mathematics Standards for Third Grade (U.S. - average age 8 years old)

Mathematics Standards for Fourth Grade (U.S. - average age 9 years old)

Mathematics Standards for Fifth Grade (U.S. - average age 10 years old)

Mathematics Standards for Sixth Grade (U.S. - average age 11 years old)

The Asia-Pacific Economic Cooperation group (APEC) has a KnowledgeBank wiki which also examines the 2007 standards of a number of Asian and Pacific countries .