Number Concepts & Properties | Maths O Level & IGCSE | Sir Usama's Academy

In this lecture, Sir Usama explains key number concepts and properties for O Level & IGCSE Maths. The focus is on deep conceptual understanding rather than memorization. What you'll learn: ✔ Friendly numbers ✔ Multiplication & division as forms of addition & subtraction ✔ Squares, factors and multiples 🎓 Part of the O Level & IGCSE Mathematics O/N 2026 series. 📌 Watch the full playlist: [paste playlist link] 🔔 Subscribe for more lectures. Tags: O Level Maths, IGCSE Mathematics, factors and multiples, squares, number properties, Sir Usama, O Level Pakistan