A Rio Schools Problem of the Month

POM 2

Counting Trees on the Farm

A tree farmer wanted to count his old and young trees without taking too long.

The circle trees are old. The triangle trees are young.

How can he get the best estimate of each type of tree without counting them one by one?

Click graphic to get printable handout.

Directions

How many trees are there?

  1. Click the Padlet below to take a photo or make a video or snap a photo of a paper you use.
  2. State how many old trees there are.
  3. State how many young trees there are.
  4. Explain how you made your estimates.
  5. Post your photo or video on the Padlet below (a moderator will approve and then you will see it)
  6. Email stickynotepoms@rioschools.org to find out the answers.

Need more challenge?

Time yourself using two different estimation processes. Which is faster? Which is more accurate?

Want to know the exact number of young and old trees? Email us and we'll tell you!

Above are the choices you have to show your work on the Padlet.