This Instructional Activity is a part of the Lesson 9, Unit 7, Grade 8. Display the following table for all to see and briefly explain to students how to write each number using powers of 10. Using Powers of 10 to Describe Large and Small Numbers. Teacher will give a card that tells you whether you are Partner A or B and gives you the information that is missing from your partner's statements. Do not show your card to your partner. Read each statement assigned to you, ask your partner for the missing information, and write the number your partner tells you.