E – CT – OE5

There were three items purchased. The price of all three items were quite different. Estimate the total cost for these three items. Explain your thinking.

E – CT – OE1

The estimated cost of a transaction including multiple items is $500. What could the actual cost of each item be?

E – CT – OE2

The estimated cost of a transaction including four items is $3200. What could the actual cost of each item be?

E – COA – OE11

Two series of point graphs could look very different even when displaying the same data. Draw two series of points graphs that reflect this situation.

E – COA – OE12

Two series of point graphs could look very similar even when displaying the different data. Draw two series of points graphs that reflect this situation.

Subscribe To Our Newsletter

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

You have successfully subscribed!