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 game of hopscotch is numbered from 1 to 100. But someone spilled paint and now all the numbers that have a '7' in them are gone! How many squares can you NOT hop on because the numbers are missing?
Your thinking space:
🔗 Chain Reaction
A baker made 35 rotis. She ate 2 rotis herself. Her son ate 5 rotis. She gave 10 rotis to her neighbor. Then, she packed the remaining rotis into 3 equal boxes. How many rotis are in each box?
Show each step:
💬 Explain Your Thinking
Imagine you are teaching your younger sibling to count to 100. They keep mixing up numbers like '12' and '21'. Explain how you would help them understand the difference.
Explain in your own words:
🏆 Olympiad Teaser
Rohan is counting from 1 to 100, but he skips every number that is a multiple of 5 or has a 5 in the ones place. What is the last number he says?
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: