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Multiplication & Division

Equal groups, arrays, ×2 ×5 ×10, sharing and grouping

💡 Why does this topic matter?
Multiplication is super-fast adding — instead of 5+5+5+5, we say 4×5. Division is fair sharing — splitting things equally into groups. These two operations are always linked: if 3×5=15, then 15÷5=3!