Finding the Height at Any Time
The students build on what they have learned to discover how to find the height of the beanstalk at any time.
Episode 1: Making Sense
Josh and Arobindo critique other students’ reasoning about what the height of the beanstalk should be at Day 2.5. They then use a timeline to create their own argument for what the height should be at that time.
Episode 2: Exploring
The students create several different expressions for the height of the beanstalk at Day 2.5 and justify them using the timeline.
Episode 3: Repeating Your Reasoning
Arobindo and Josh use their timeline to find the height of the beanstalk on Day 11/3.
Episode 4: Repeating Your Reasoning
Josh and Arobindo use their timeline to find the height of the beanstalk on Day 11/3.
Episode 5: Reflecting
The students reflect on how to find the height of the beanstalk at any time. They illustrate their process by finding the height of the beanstalk on Day 1.68.
Mathematics in this Lesson 
Targeted Understandings
Common Core Math Standards
Common Core Math Practices