Grade 6
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Expressions & Equations
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Geometry
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The Number System
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Ratios & Proportional Relationships
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Statistics & Probability
CCSS Math Standard: 6.NS.6
Apply and extend previous understandings of numbers to the system of rational numbers. Understand a rational number as a point on the number line. Extend number line diagrams and coordinate axes familiar from previous grades to represent points on the line and in the plane with negative number coordinates.