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Why Does Order Matter? | Order of Operations (PEMDAS)

Math You Can See

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Why Does Order Matter? | Order of Operations (PEMDAS)

8 просмотров · 10 дн. назад
Math You Can See
176 подписчиков
8 просмотров · 10 дн. назад
8 ÷ 2(2+2) — is it 1 or 16? This tiny expression split the internet in two. In this video you'll see WHY we need an order of operations, why multiplication comes before addition, and why "M before D" is the trap that catches so many students. And at the end, you'll know the honest answer to the viral question. In this video you'll learn: ✔ Why everyone needs to agree on one order (same expression, different answers = chaos) ✔ PEMDAS as a 4-step ladder — and why BODMAS and BIDMAS are the same rule ✔ Why × comes before + (multiplication is repeated addition) ✔ The left-to-right rule for × ÷ and + − ✔ Parentheses inside brackets: work from the inside out ✔ 3 examples from easy to exam level + a 5-second challenge ✔ The truth about 8 ÷ 2(2+2) ⏱️ CHAPTERS 0:00 8 ÷ 2(2+2): the viral fight 0:34 Why we need one agreed order 1:16 PEMDAS: the 4-step ladder (BODMAS, BIDMAS) 2:10 Why × comes before + 2:56 The left-to-right rule 3:37 Parentheses inside brackets 4:09 Example ladder 5:25 The trap: M before D? 6:19 8 ÷ 2(2+2): 1 or 16? 7:31 5-second challenge 8:04 Real world: splitting the bill 8:51 3-card recap 9:21 Wow fact: the viral equation and the ÷ sign ▶️ Start here! This is the first video of the playlist. ▶️ Next: PA-02 · Integers on the Number Line 📚 Full playlist: The Workshop · Pre-Algebra 💬 Tell me in the comments: what did you get for the challenge 10 − 6 ÷ 2 × 3? 👍 If this helped, hit like and subscribe — new visual math every week. 🇪🇸 ¿Prefieres en español? → @AlgebrayTrigonometria #math #PEMDAS #orderofoperations #prealgebra #algebra #mathhelp #BODMAS