Whiteboard
ClassFlow

Class Flow: All in the Family: Fact Families

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart explores the concept of fact families for addition and subtraction as well as inverse operations. There are several pages of hands on activities to engage student learning.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.oa Comparing Growth, Variation 1

For Teachers 3rd - 5th Standards
The purpose of this task is to foster a classroom discussion that will highlight the difference between multiplicative and additive reasoning. Aligns with CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison
Activity
NumberNut

Number Nut: Comparing Operations

For Students 3rd - 5th Standards
Combine all of your knowledge about the four basic operations in this lesson that focuses on comparing operations. Discover the relationship between of each operation and key vocabulary terms to build your number sense.