#### 6.NS.C.7.c. Understand the absolute value of a rational number as its distance from 0 on the number line; interpret absolute value as magnitude for a positive or negative quantity in a real-world situation. For example, for an account balance of $-30$ dollars, write $|-30| = 30$ to describe the size of the debt in dollars.

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#### 6.NS.C.7.d. Distinguish comparisons of absolute value from statements about order. For example, recognize that an account balance less than $-30$ dollars represents a debt greater than 30 dollars.

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#### 7.NS.A.1.a. Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.

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#### 7.NS.A.1.d. Apply properties of operations as strategies to add and subtract rational numbers.

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#### 7.NS.A.2.c. Apply properties of operations as strategies to multiply and divide rational numbers.

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