What Comes Next? Sidewalk Sequence

Someone wrote six 3-digit numbers in chalk on the sidewalk. The numbers are 860, 870, 881, 891, 902, and 912. In each number, the 1st digit is green, the 2nd digit is blue, and the 3rd digit is orange.

What do you notice? What do you wonder? What comes next?

Show or tell what the next few numbers look like. Describe how you know. If helpful, use the MLC Whiteboard app!


What might the 12th number be? The 15th number? Why do you think so?


Create your own pattern and share it with someone else. Ask them what comes next!