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
A tailor has 45 buttons. He uses 23 buttons to stitch kurtas. He then finds 11 more buttons in his drawer. How many MORE buttons does he need to have 50 buttons in total?
Your thinking space:
🔗 Chain Reaction
Riya has 37 marbles. She gives 12 to her best friend Rohan. Then her younger sister, Diya, loses 5 marbles. How many marbles does Riya have left? Next, how many more marbles does she need to have 30 marbles?
Show each step:
💬 Explain Your Thinking
Imagine you have 65 stickers and you give away 21. Your friend says you have 46 stickers left. How would you explain to them whether they are right or wrong, using your own words?
Explain in your own words:
🏆 Olympiad Teaser
What is the smallest number you can subtract from 99 to get a two-digit number where both digits are the same?
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: