TalentJR apps
When you multiply by 10, every digit slides one place to the left — ones become tens, tens become hundreds — and a 0 fills the empty ones place. × 100 slides two places, × 1000 slides three.
✓ You passed this trick’s test.
Place-value slide — “× 10 moves every digit one place left; a 0 fills the gap”
Use it for: Money (₹10 and ₹100 notes), metres to centimetres, and every big multiplication like 30 × 40.
Check: 45 × 100 = 45 hundreds = 4500 ✓
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 🚀 Zero Zoomer badge when you pass — and a certificate when you finish all 5 tricks of Part 1 · Finger & table tricks. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
Sign in with Google to ask Free — 20 questions a day.
Prefer a real teacher? TalentJR teachers take live online classes anywhere in India and visit homes in selected cities. Tell us what you need and our team will call you with timings and fees.