Rekenreks: Composing & Decomposing Sums within 5, 10, 20

Grade Levels
K - 2nd
Formats Included
  • Streaming Video(cannot be downloaded)
  • Supporting Information
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Supporting Information
This is an additional download that supports the video.


Bead racks offer students a hands-on, concrete way to illustrate their math thinking and build numbers. Through this Teaching On Demand we will explore strategies for composing and decomposing numbers, as well as, establishing the primary benchmarks of 5, 10, and 20 on a rekenrek.

Teaching on Demand videos couple a high-quality instructional video with the materials and centers needed to implement the teaching strategy in your classroom.

Purchasing this Resource Gives You Access to...
*a 15 minute instructional video
*a Private Facebook Group for other K-2 Teachers
*a 44 pg. Resource Download (materials, the 7 rekenrek tasks and math centers with matching visual directions, and 32 'build it' task cards referenced in the video)

You may want to watch the video from beginning-to-end or you might want to target specific skills or centers. Below is a breakdown of the video:

Our Purpose (0:00 – 0:23)
How Do I Use This Resource? (0:24 – 1:43)
Why Use Rekenreks? (1:44 – 2:21)
Making Rekenreks (2:22 – 3:16)
Introducing Rekenreks to Students (3:17 – 5:08)

Building Numbers (5:09 – 6:06)
Let’s Play: Subitize It! (6:07 – 7:46)
Let’s Play: Hit My Target (7:47 – 8:46)
Let’s Play: How Many More? (8:47 – 10:01)

Establishing Benchmarks (10:02 – 11:35)
Let’s Play: Kids in a Tent (11:36 – 12:39)
Let’s Play: Match My Move (12:40 - 13:42)

Wrapping Up (13:43-14:30)

**Since this is a new type of resource to my store, please let me know what questions you have BEFORE purchasing it in the Q&A section of my TpT Store.**

Happy Teaching,
The Brown Bag Teacher
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