E – CT – OE14

The cost of the transaction was a bit less than $4200. What items did you buy and how much was each item? 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 – OE16

Create a line graph where the responses to the question are all quite different.

E – COA – OE17

Create a series of points graph where the responses to the question are all quite different.

Subscribe To Our Newsletter

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

You have successfully subscribed!