The Great Unknown - Self-Checking Addition & Subtraction w/ Unknowns Workstation

Grade Levels
1st, 2nd, 3rd
Resource Types
Common Core Standards
Product Rating
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File Type
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20.76 MB   |   23 pages

PRODUCT DESCRIPTION

What's Included:
• How to play instructions card

• 12 self-checking “Great
Unknown” cards, single-sided

• 12 self-checking “Great
Unknown” cards, double-sided

• Great Unknown work“space” mat


How to Use:
Each year, my students struggle to understand how to solve “part unknown” math problems. I wanted to create a fun
workstation that will help them practice this skill. More importantly, I wanted it to be self-checking so that my students knew if they were solving correctly or not.

This workstation is the perfect solution! Students use clothespins to cover the answer while they try to solve the “Great Unknown” using whatever method they like best.

I like to create a mini-poster with my students as I introduce this station. On it, we make a short list of a fw different ways to find the “Great Unknown.” I put this mini poster into the box with the station for them to reference.

What You Need:
1. A copy of the workmat for each student at the workstation

2. Twelve clothespins

3. Dry-Erase markers

4. Something to erase with

How to Play:
1. Get a work mat, a marker, and an eraser

2. Pick a Great Unknown card, and keep it closed!

3. Clip the card to the work mat. Do not peek!

4. Use the space to find the Great Unknown

5. Write the answer at the bottom

6. Unclip the card to check your work!
Total Pages
23
Answer Key
Included
Teaching Duration
N/A

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The Great Unknown - Self-Checking Addition & Subtraction w
The Great Unknown - Self-Checking Addition & Subtraction w
The Great Unknown - Self-Checking Addition & Subtraction w
The Great Unknown - Self-Checking Addition & Subtraction w
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