These problems are different.
They use the same math you already know — but wrapped in ways you haven't seen before. There's no rush. Think slowly. Write your reasoning. The answer matters less than HOW you got there.
🎨 Unfamiliar Territory
Aisha is saving up to buy a cricket bat that costs ₹250. Her piggy bank only has ₹10 and ₹20 notes. What's the FEWEST number of notes she can use to pay for the bat exactly? (She can't get change!)
Your thinking space:
🔗 Chain Reaction
Rohan has ₹50. He buys 2 samosas for ₹10 each. 1. How much did he spend? 2. How much money does he have left? 3. If he wants to buy a chocolate bar for ₹25, does he have enough? 4. If yes, how much MORE money will he have after buying the chocolate?
Show each step:
💬 Explain Your Thinking
You need to pay ₹35 for a book. Show me two different ways you can pay using only ₹5 and ₹10 notes. Explain why both ways are correct.
Explain in your own words:
🏆 Olympiad Teaser
A shopkeeper has only ₹5 coins and ₹10 notes. A customer wants to buy a toy car for ₹45. What is the LEAST number of coins and notes the shopkeeper needs to give the customer as change if the customer pays with a ₹100 note?
Think about what constraints the problem gives you. Write down what you KNOW for sure, then work from there. Often, trying small numbers first reveals a pattern.
Your answer and reasoning: