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8 = 2 × 2 × 2, so you can find any answer in the 8 table just by doubling three times. Every answer is even.
✓ You passed this lesson’s test.
Double three times — “8 × n is n doubled, doubled and doubled again”
Use it for: Legs of an octopus or a spider, 8 slices of a pizza, and checking the 4 and 16 tables.
Check: 8 × 5 + 8 = 40 + 8 = 48 ✓
Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the 🐙 Octopus Ace badge when you pass — and a certificate when you finish all 7 lessons of Module 1 · Tables 2–10. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
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