There are more than one type of Math Balance for modeling different concepts including Greater than, Less than, and Equal to.

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Thanks, Crystal – I love that even our school Librarians help us in Math! This book is available in print or digital on Amazon.
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A Math Balance can also be used for teaching Greater Than, Less Than, and Equal To. Find one for that here:
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Make your own or get one here:
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Celebrating Pi Day in the primary grades is a great way for students to gain prior knowledge about Pi. Thanks for sharing some grade appropriate activities.

Sweet! All the comparison data is wonderful – they will spend the rest of their lives making comparisons and decisions similar to this. Where did your printables come from?

Nice. Visual, real world examples are the best. Some students may have actually filled a condiment cup with ketchup before – it’s definitely something they could try themselves if they wanted to test it out. What grade do you teach?

Wow – so many hands-on, conceptual activities – what a great day!

Thanks for sharing!

I especially like the question with 7.EE.3 – having students reason between two different methods and two different answers to determine which is correct, why, and where any mistakes were made – that’s rich.

Wow – so many different types of models – that’s so great! (Love Mr. Fredricksen’s house) I could see students learning almost as much from examining differences in each other’s models as creating their own.