P – EC – WP14
Two children were looking at the number of school buses in the parking lot. To estimate the number of school buses in the parking lot, one child said she would use a referent of 10 while the other child said she would use a referent of 100. Which referent would be...P – EC – WP6
The school science club was interested in watching the different kinds of birds flying over the playground. Estimate how many birds are flying in the picture below?P – EC – WP7
A large number of people were waiting to enter the hockey rink for the provincial championship. The picture below represents the crowd. About how many people will watch the championship game? Explain your thinking.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.Page 80 of 107 
