Common Core Alignment

CCSS.Math.Content.3.OA.9 - Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

5: Math

Unit 1: Multiplication and Division I
Lesson 10: More Practice With 2, 3, 4, and 5
Lesson 11: Multiples of 10
Lesson 9: Multiples of 4 and 5