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### Course: 7th grade (Eureka Math/EngageNY) > Unit 2

Lesson 1: Topic A: Addition and subtraction of integers and rational numbers- Zero pairs worked example
- Zero pairs
- Adding with integer chips
- Add with integer chips
- Adding negative numbers on the number line
- Adding negative numbers on the number line
- Adding negative numbers example
- Signs of sums on a number line
- Signs of sums
- Adding negative numbers
- Subtracting with integer chips
- Subtract with integer chips
- Adding the opposite with integer chips
- Adding the opposite with number lines
- Adding & subtracting negative numbers
- Subtracting a negative = adding a positive
- Understand subtraction as adding the opposite
- Subtracting negative numbers
- Adding & subtracting negative numbers
- Adding negative numbers review
- Equivalent expressions with negative numbers
- Subtracting negative numbers review
- Number equations & number lines
- Number equations & number lines
- Graphing negative number addition and subtraction expressions
- Interpret negative number addition and subtraction expressions
- Interpreting numeric expressions example
- Absolute value to find distance
- Absolute value as distance between numbers
- Interpreting absolute value as distance
- Absolute value to find distance challenge
- Associative and commutative properties of addition with negatives
- Commutative and associative properties of addition with integers
- Equivalent expressions with negative numbers
- Adding fractions with different signs
- Adding and subtracting fractions with negatives
- Comparing rational numbers
- Adding & subtracting negative fractions
- Adding & subtracting rational numbers: 79% - 79.1 - 58 1/10
- Order rational numbers
- Adding & subtracting rational numbers: 0.79 - 4/3 - 1/2 + 150%
- Adding & subtracting rational numbers
- One-step equations with negatives (add & subtract)

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