TalentJR apps
Pick a 3-digit number whose first and last digits differ by 2 or more. Reverse it and take the smaller from the bigger. Reverse that answer and add the two. Whatever number you picked, you get 1089 — you can write it in a sealed envelope before you start!
✓ You passed this trick’s test.
Reverse and subtract — “the difference is always in the 99 table, so the final sum is always 1089”
Use it for: A show-stopper magic trick, and great practice for 3-digit subtraction and addition.
Check: 495 + 237 = 732, and 495 + 594 = 1089 ✓
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 🎩 1089 Magician badge when you pass — and a certificate when you finish all 5 tricks of Part 2 · Number magic. 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.