Common Core State Standards (2.OA.C.4) - Array of Equal Addends
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends
Timestamps:
00:00 Introduction
00:23 Add 3 + 3
00:45 Add 5 + 5 + 5
01:08 Add 8 + 8 + 8 + 8
