by Dan Meyer

• 1. If you wanted to eat enough Mini-Bears to match the Super-Bear, how many would it take? What if you ate Regular-Bears?
• 2. Guess as close as you can for each. Write your guesses down.
• 3. Give answers for each that you know are too high.
• 4. Give answers for each that you know are too low.

• video — introducing the three bears

• 5. What information would help solve this problem?
• 6. How would you get it? What tools would you use?

• video — the mass of ten Mini-Bears
• video — the mass of ten Regular-Bears
• video — the mass of one Super-Bear
• file — double number line

• video — Mini-Bear answer
• video — Regular-Bear answer

• 6. If you want to eat a lot of bear, what's the cheapest way to get your fix? Use the prices below.

• image — Mini-Bear price
• image — Regular-Bear price
• image — Super-Bear price