TalentJR apps
Dividing by 10 or 100 is easy — you just drop zeros. Dividing by 5, 25 or 50 becomes just as easy if you first double (or double twice), because 5 × 2 = 10, 25 × 4 = 100 and 50 × 2 = 100.
✓ You passed this lesson’s test.
Double, then divide by 10 or 100 — “÷ 5 = × 2 ÷ 10, ÷ 25 = × 4 ÷ 100, ÷ 50 = × 2 ÷ 100”
Use it for: Sharing money in ₹5, ₹25 or ₹50 parts, fractions, and long division checks.
Check: 27 × 25 = 675 ✓
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 — and beat the clock: finish within 3 min.
🏅 Sign in with Google to earn the 🍰 Slice Master badge when you pass — and a certificate when you finish all 5 lessons of Part 3 · Speed dividing, percentages and checking. 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.