by Dan Meyer

• 1. How can I fix this? How can I make it the right mix of chocolate and milk?

• video — how I ruined Nana's chocolate milk

• 2. How many different solutions can you find?
• 3. The glass won't hold two cups of liquid. How does that affect your solution?

• file — the double number lines

• video — how I fixed it

• video — how I ruined Nana's eggs
• file — the double number lines
• video — how I fixed it