P – EC – PP32

Would your estimate of people in line be more or less than 200?

P – EC – WP8

A large number of people were waiting to enter the hockey rink for the provincial championship. The picture below represents the crowd. What would you choose as a referent for your estimate? Explain your thinking.

P – EC – PP33

Would your estimate of people in line be more than 200?

P – EC – PP18

Would your estimate of books in the pile be more or less than 100?

P – EC – PP19

Would your estimate of books in the pile be more or less than 120?

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from Dr. David Costello.

You have successfully subscribed!