Natural numbers, integers, decimals, and rational/irrational numbers. Prime factorization and GCD (PGCD) / LCM (PPCM). Scientific notation and order of magnitude.
In the "Common Core Science and Technology" (جذع مشترك علوم وتكنولوجيا) track, Chapter 1 typically focuses on (بنية هندسة بعض الأنواع الكيميائية). Key Topics: The structure of the atom (protons, neutrons, electrons). The Periodic Table of Elements (Mendeleev's table). ШЄШЩ…ЩЉЩ„ 1as ch1 pdf
"1as ch1" usually refers to the first chapter for the first year of secondary school (1ère Année Secondaire), often within the Algerian educational system. Depending on your specific subject—Physics, Mathematics, or Arabic— ШЄШЩ…ЩЉЩ„ 1as ch1 pdf