P – CC – OE5

Start at a number less than 1000 and skip count forward by the number you selected (2, 5, or 10).

P – CC – OE6

Start at a number less than 1000 and skip count backward by the number you selected (2, 5, or 10).

P – CC – OE1

Select two numbers less than 100. Count forward from the smallest number to the largest number.

P – CC – OE2

Select two numbers less than 100. Count backward from the largest number to the smallest number.

P – IDP – OE15

There are two elements in a repeating pattern. What could the core of the pattern be?

Subscribe To Our Newsletter

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

You have successfully subscribed!