Second Grade Operations and Algebraic Thinking Tasks

Work with equal groups of objects to gain foundations for multiplication. (2.OA.3 - 2.OA.4)


2.OA.3 Determine whether a group of objects (up to 20) has ad odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.


Task





2.OA.4 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.


Additional

Standards Assessed

Task

Blackline Master

2.NBT.2