7.NS.A.1

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- 7.NS.A.1Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
- 7.NS.A.2Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.
- 7.NS.A.3Solve real-world and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.)

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7.NS.A.1d

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- 7.NS.A.1aDescribe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
- 7.NS.A.1bUnderstand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.
- 7.NS.A.1cUnderstand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.
- 7.NS.A.1dApply properties of operations as strategies to add and subtract rational numbers.

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## 7.NS.A.1d

## Apply properties of operations as strategies to add and subtract rational numbers.

99 Lesson(s)

### Black Friday Blowout (Summative Assessment)

7th Grade Math »
Unit: Proportional Reasoning with Percents

7th Grade Math »
Unit: Proportional Reasoning with Percents

Big Idea:

#### Let the students have a blast experiencing a full BLACK FRIDAY excursion. Students will shop, and compare better buys using their understanding of calculating sales tax, and discount, to solve a performance task.

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### Subtracting Integers - How does subtraction relate to addition?

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Rational Numbers and Integer Practice

6th Grade Math »
Unit: Integers and Rational Numbers

6th Grade Math »
Unit: Integers and Rational Numbers

### Adding Integers - What's the Rule?

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Algorithms for Subtracting Integers

7th Grade Math »
Unit: Rational Number Operations

7th Grade Math »
Unit: Rational Number Operations

### Unit Assessment Feedback Lesson

7th Grade Math »
Unit: Proportional Relationships II

7th Grade Math »
Unit: Proportional Relationships II

### Expressions and Word Problems

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Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Divide and Conquer

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Rational Number Unit Test

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Adding and Subtracting Integers - Real World Applications

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Rational Numbers Operations - Final Unit Assessment

7th Grade Math »
Unit: Rational Number Operations

7th Grade Math »
Unit: Rational Number Operations

### End of Grade Review - The Number System

7th Grade Math »
Unit: Culminating Unit: End of Grade Review

7th Grade Math »
Unit: Culminating Unit: End of Grade Review

### Adding and Subtracting Rational Numbers - Practice Makes Perfect!

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

### Adding and Subtracting Signed Fractions - Remember Those Integer Rules!

7th Grade Math »
Unit: Operations with Rational Numbers

7th Grade Math »
Unit: Operations with Rational Numbers

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