Depending on the elementary school, third grade students may even begin to work on long division, such as dividings in the double digits, hundreds, and thousands.
Common Core State Standards[1] were launched in 2009, which lay out all of the above curriculum for each grade level.
In Brazil, third grade is the terceiro ano do Ensino Fundamental I, in this case, children begin their first year of elementary school at age 6 or 7 depending on their birthdate.
[2] Welsh pupils are in their fourth full year of compulsory education.
In Northern Ireland and Scottish pupils are in "Primary 4", their fourth year of compulsory education.
Children generally start this level for females between ages of 7, 8, 9 to 10 and male students between 8, 9, 10 to 11.