Identify and describe, through investigation, number patterns involving addition, subtraction, and multiplication, represented on a number line, on a calendar, and on a hundreds chart (e.g., the multiples of 9 appear diagonally in a hundreds chart)
3.PA1.03
Extend repeating, growing, and shrinking number patterns
3.PA1.04
Create a number pattern involving addition or subtraction, given a pattern represented on a number line or a pattern rule expressed in words