Task Teacher Guide
Be sure to read the teacher guide prior to running the task. When you’re ready to run the task, use the tabs at the top of the page to navigate through the lesson.
In This Task…
What Do You Notice? What Do You Wonder?
While Students Are Estimating…
Crafting A Productive Struggle: Prompt
While Students Are Productively Struggling:
Student Approach #1: Digital Fraction Tiles
Student Approach #2: Using a Bar Model to Decompose the Difference Through Counting On
Student Approach #3: Open Number Line to Find the Difference and Decompose
Resources and Downloads
Oh No! You Must Be Logged In!
Download a printable lesson plan, video/images, and presentation slides in Keynote and PowerPoint format to make the experience as smooth as possible by becoming a member of the Make Math Moments Academy.
Lesson Tip Sheet
Download the lesson plan in PDF format so you can keep it handy and share with colleagues.
Videos & Images
Download the videos, images, and related media files to your computer to avoid streaming.
Download in Apple Keynote format to avoid streaming video and run the lesson smoothly.
Download in Microsoft PowerPoint format to avoid streaming video and run the lesson smoothly.
Download/edit the handout so you can keep it handy and share with colleagues.
Explore The Entire Unit of Study
This Make Math Moments Task was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, and extensions to elicit and emerge mathematical models and strategies.
Click the links at the top of this task to head to the other related lessons created for this unit of study.
What Do You Notice? What Do You Wonder? (US)
What Do You Notice? What Do You Wonder? (Canada)
Spark Image (US)
Spark Image (Canada)
Estimation: Prompt (US)
Estimation: Prompt (Canada)
Reveal Video (US)
Reveal Image (US)
Reveal Video (Canada)