No captions Captions Stop the video above first if it is playing.
No captions Captions Stop the video above first if it is playing.
Arobindo and Josh fill in the blanks of the equation log3 (___) + log3 (___) = log3 (1,000) to make the equation true. They justify their answer.
Episode Supports
Focus Questions
For use in a classroom, pause the video and ask these questions:
[Pause the video at 0:56] Fill in the blanks to create a true equation: log3(__) + log3(__) = log3(1,000). Use a number line to defend your choices.
[Pause the video at 2:01] Why do you think Arobindo and Josh said that log3100 is between 4 and 5?
Supporting Dialogue
Near the end of the episode [5:15], the instructor asks about the relationship between 2.1, 4.2, and 6.3. Arobindo and Josh say you add them together. Ask your students to elaborate on that claim: Why do we add them together, and how does that relate to the moldy pizza context? Can you see these quantities as elapsed time in the timeline?
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