P – EC – PP9

True or False? There are about 50 people in line.

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 – COA – OE12

Create a bar graph where most of the items have numbers that are quite similar.

P – COA – RT11

Two students created a bar graph for the same collected data. Their graphs did not look the same. Could both students be correct or does one have to be wrong?

Subscribe To Our Newsletter

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

You have successfully subscribed!