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When the ones add up to more than 10, jump to the next ten first. Split the number you are adding into “what fills the ten” and “the rest”.
✓ You passed this lesson’s test.
Bridge through 10 — “fill up to the next ten, then add the rest”
Use it for: Adding a 1-digit number to any number, adding up scores, and counting on.
Check: 47 + 8 = 40 + 15 = 55 ✓
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 🌉 Bridge Master badge when you pass — and a certificate when you finish all 7 lessons of Part 1 · Mental addition & subtraction. 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.