# Eliminate It! Numbers and Representations 20-50

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Resource Type
Common Core Standards
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PDF (Acrobat) Document File

2 MB|24 pages
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Product Description
This product contains Numbers and Representations 20-50! This product contains more place value representations to encourage mathematicians to count on from groups of 10 to understand 'how many'.

Eliminate It is an effective, quick activity to engage your mathematicians in meaningful conversations about mathematics! The slides are easy to see and ready to go- which means ZERO PREP! Simply display on your projector or other device for the mathematicians to see.

*Consider playing whole group or small group to target conversations.
*Suggestion: have mathematicians build a set that would either NOT be eliminated or eliminated and explain why/why not.

Slides 4-13 include different representations of the same number, then 1 representation that models a different number. Mathematicians will tell you which they would eliminate and why. It’s important for them to justify their reasoning. Make sure you allow more than 1 student to eliminate to receive more than one justification- they will love the challenge of eliminating different representations for different reasons.

Slides 14-23 include different representation and different numbers which can get trickier with which to eliminate (because it may not be as obvious and/or more than 1 could be eliminated). Included are possible eliminations and reasons (on the next slide) to help guide your conversations

*With 21 slides of representations, you have enough to do 1 a day for just over 4 weeks of instruction!!

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I used graphics and fonts from the following companies to create my product:
http://www.teacherspayteachers.com/Store/Krista-Wallden
https://www.teacherspayteachers.com/Store/Whimsy-Clips
https://www.teacherspayteachers.com/Store/Sticky-Foot-Studio
https://www.teacherspayteachers.com/Store/Katie-Stokes
Total Pages
24 pages
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Teaching Duration
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\$5.00