## Balance scale tipped. - Section 3: Reconstruction of Understanding the Equals Sign.

Balance scale tipped.
Balance scale tipped.

# RTI Understanding the Equals Sign: What does it really mean?

Unit 10: Addition and Subtraction: Algorithms to One Million
Lesson 2 of 7

## Big Idea: Using a balance scale helps students make a connection to what equals really means: balance! This essential concept lays down the foundation for many of our 4th grade CCSS standards in regard to equations.

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Standards:
Subject(s):
Math, Number Sense and Operations, Operations , Understanding the equals siqn, balances, equation, equilibrium, hot air balloon, flight
105 minutes

### Mary Ellen Kanthack

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