### Home > CC1 > Chapter 2 > Lesson 2.1.2 > Problem 2-15

2-15.

Copy the number patterns below and fill in the missing numbers. Explain the pattern in words.

, ____, ____, ____ Can you see a pattern?

, ____, ____, ____ Look for a simple pattern. What must you multiply 3 by to get 6? What must you multiply 6 by to get 12?