85 ÷ 5 in 2 Seconds! Your School Never Taught You This Division Trick | MathOlympiadLab

Your school teaches 85 ÷ 5 using long division 🐢

Here is the 2-second trick! ⚡

Step 1: 85 × 2 = 170
Step 2: 170 ÷ 10 = 17 ✓

÷5 = ×2 then ÷10 — works every time!

Try: 65÷5, 120÷5, 45÷5

Free SOF IMO PDF in bio 🎯

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