Compare and contrast these two assignments. Both target an 8th grade standard on seeing structure in an expression and being able to represent that expression in different ways. Which do you suppose ...

1 is a common factor of all whole numbers. To find common factors: List the factors of each number. Compare the factors to find numbers that are the same (or common) in each list.

A common factor is a number that can be divided into two different numbers, without leaving a remainder. Often numbers can share more than one common factor. It is possible to find the common factors ...