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.

P – EC – WP1

There were boxes of crayons covering the top of Charlie’s desk. The boxes of crayons were side-by-side, and none were on top of each other. The teacher asked Charlie to estimate the number of boxes on the top of the desk. Charlie said 50. Would you agree with Charlie?...

P – EC – WP2

There were boxes of crayons covering the top of Desi’s desk. The boxes of crayons were side-by-side, and none were on top of each other. The teacher asked Desi if he thought there would be closer to 100 or 1000 boxes of crayons on the top of the desk. Which estimate...

P – EC – WP3

A baker was looking at different containers to hold newly baked cookies. About how many cookies can be held in this cookie jar?

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