This document consists of 14 pages (intended to be 7 two-page tasks) aligned to the 4th Grade Common Core Math standard 4.OA.4 "Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite."
Each of the seven tasks include factor rainbows(for determining factor pairs) along with the aspects of multiples and prime/composite as stated in the standard.