E – ASD – OE15

The estimated sum of two large decimal numbers is 75 000. What could the two decimal numbers be?

E – ASD – OE16

The estimated sum of two large decimal numbers is less than 100 000. What could the two decimal numbers be?

E – ASD – OE17

The estimated sum of two large decimal numbers is greater than 100 000. What could the two decimal numbers be?

E – ASD – OE5

The sum of two decimal numbers is between 10 000 and 20 000. What are the two decimal numbers?

E – ASD – OE6

The sum of two decimal numbers is less than 20 000. What are the two decimal numbers?

Subscribe To Our Newsletter

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

You have successfully subscribed!