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First Grade uses connecting cubes to create the number bond. 1
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Example of First Grade Real World Problem
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Second graders use connecting cubes to represent a problem. Then the students create the bars based upon the connecting cubes.
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Another second grade example
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Second grade example
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Third grade problems begin to require several steps
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Third Grade Real World Problem
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In Fourth Grade, the student begin to think about units within the bars
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Another Fourth Grade Example
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Fifth Graders learn how to create bar models for fraction problems
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Fifth Grade Example
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