How many umbrellas?

Record an estimate that is:

1. Find an image that encourages your classmates to estimate the total number of an item using strategies for multi-digit multiplication.

2. Fill in the possible estimates students might make.

   Record an estimate that is:

   too low	about right	too high

1. Display your image for your classmates.
2. Ask them, “What is an estimate that’s too high?” “Too low?” “About right?”
3. Give them a minute of quiet think time.
4. Give them a minute to discuss together.
5. Have them share estimates.
6. Record their ideas.