Second grade
Second grade (also called grade two, corresponding to Year 3 in the United Kingdom, is a year of primary education in Canada and the United States. Second grade is the second grade of primary school. Children are usually aged 7–8 in this grade level. Australia equivalent. In Australia, this level of class is called Year 2. Children generally start this level between the ages of seven and eight. Brazil equivalent. In Brazil, the minimum age required to enter second grade is 7 years (84 months). To enter in the second grade, all children students must be 7 years  old before the cut-off date. Cameroon equivalent. In Cameroon, there are two sub-educational systems, one based on French education taught in French and the other one based on British educational systems taught in English. So, in Cameroon this grade will correspond to "Class Two", for the English sub-educational system. That correspond to the second year for the kids in primary, however, most of them have spent 2 to 3 years in nursery school. In the French speaking school, this will correspond to the "Cours preparatoire (CP)". France equivalent. In France, it would correspond to CE1 (Cours Élémentaire  1), which is the second year of elementary school where children are 7–8 years old. Primary school is during 5 years. CP: Cours préparatoire, CE1, CE2, CM1 and CM2 (cours moyen). India equivalent. In India, children enter Class 2 or 3 at ages 7 to 8. Italy equivalent. In Italy, it corresponds to second class of primary school (seconda classe della scuola primaria) Germany equivalent. In Germany, this would be comparable to second class (2.Klasse) Greece equivalent. In Greece, the second school year of primary education school is referred to as Second Grade of Primary (Deftera Dimotikou). New Zealand equivalent . In New Zealand, this level of class is called Year 3. Children generally start this level between the ages of seven and eight. Peru equivalent. In Peru, this is also known as second grade (Segundo Grado), and pupils are between 7–8 years old. Portugal equivalent. In Portugal, the second grade ("segundo ano", "2º ano") is the second of the four-year "1º Ciclo do Ensino Básico" that also includes the first grade, the third grade and the fourth grade. Republic of Ireland equivalent. In The Republic of Ireland, the equivalent is known as Second Class (usually for 7–8 year olds ) which is year 4 of Primary School. It is traditionally the year that is dedicated to preparing for the child's "First Holy Communion", however, as Ireland becomes increasingly multicultural, more and more schools are opting to prepare for the sacrement outside of school hours – at weekends or after school. United Kingdom equivalents. The British education system differs slightly between the four individual countries of the United Kingdom. In England, the second year of school is called year 1, and the pupils are 5 to 6 years old. So second grade is the equivalent to Year 3 in England and  Wales. Which makes it the forth year of compulsory education. At the same age, Scottish and Welsh pupils are in their third year of compulsory education and in their fourth year in Northern Ireland. United States equivalents. In mathematics, students work with multi-digit addition and subtraction of natural and whole numbers with and without regrouping, AM and PM, fractions, rounding, and measurement. Usually multiplication and division are introduced toward the end of the school year. Children must be 7 years old on August 31st because on September 1st of that year the academic year starts. Children are turning 8  years old during the second-grade academic year. In language arts, students work with regular and irregular verbs, plurals, homophones, compound words, and comparative and superlative. Science includes basic physics like simple machines, magnets, and heat. Students learn about anatomy like the heart and the digestive system. A basic understanding of the earth and space sciences are also taught as well, such as basic astronomy, geology, paleontology, and meteorology. Science curriculum may vary upon local school districts. Social studies class include the presidents, the states and capitals of the United States, the Civil War, and geography.