Classroom Connection. The teacher$-$created worksheet below is typical of ones that a student might use to practice finding multiples and factors.

a$)$ Complete the worksheet.

b$)$ Examine the number pairs in Question $1$ on the worksheet. Why were these number pairs chosen for students to explore?

c$)$ Give another pair of numbers that might be used to further investigate the ideas suggested by Question $1.$

d$)$ Describe the important mathematical ideas in Questions $3-5$ on the worksheet.

e$)$ One way to help students who are confused by a new concept is to use smaller or "friendly" numbers in order for the students to notice patterns and relationships. Write a problem similar to Question $6$ that uses easier numbers. Solve your problem.