TalentJR apps
A cricket scorer keeps one total and adds each run as it comes. You can add a list of 2-digit numbers the same way: hold the total in your head, add the tens of the next number, then its ones.
✓ You passed this lesson’s test.
Keep a running total — “add each new number to what you have, tens first”
Use it for: Adding a shopping list, cricket scores over by over, and marks across subjects.
Check: (34 + 45) + (27 + 18) = 79 + 45 = 124 ✓
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 4 min.
🏅 Sign in with Google to earn the 🏏 Run-Rate Ranger badge when you pass — and a certificate when you finish all 5 lessons of Part 1 · Speed adding & subtracting. 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.