Contenido principal

### Math

## Common Core Math

# Grade 7: The Number System

#### 7.NS.A.1.a

Fully covered

#### 7.NS.A.1.b

Fully covered

- Adding fractions with different signs
- Adding negative numbers example
- Adding negative numbers on the number line
- Adding negative numbers on the number line
- Adding numbers with different signs
- Addition & subtraction: find the missing value (part 1 of 2)
- Addition & subtraction: find the missing value (part 2 of 2)
- Interpret negative number addition and subtraction expressions
- Interpreting negative number statements
- Interpreting negative number statements
- Interpreting numeric expressions example
- Number equations & number lines
- Number equations & number lines
- Signs of sums

#### 7.NS.A.1.c

Fully covered

- Absolute value as distance between numbers
- Absolute value to find distance
- Absolute value to find distance challenge
- Adding & subtracting fractions
- Adding & subtracting negative numbers
- Addition & subtraction: find the missing value
- Addition & subtraction: find the missing value (part 1 of 2)
- Addition & subtraction: find the missing value (part 2 of 2)
- Interpret negative number addition and subtraction expressions
- Interpreting absolute value as distance
- Interpreting negative number statements
- Interpreting negative number statements
- Interpreting numeric expressions example
- Number equations & number lines
- Number equations & number lines
- One-step equations with negatives (add & subtract)
- Ordering expressions
- Ordering negative number expressions
- Substitution with negative numbers
- Substitution with negative numbers
- Subtracting a negative = adding a positive
- Subtracting negative numbers
- Subtracting negative numbers review
- Understand subtraction as adding the opposite

#### 7.NS.A.1.d

Fully covered

- Adding & subtracting negative numbers
- Adding & subtracting rational numbers
- Adding & subtracting rational numbers: 0.79 - 4/3 - 1/2 + 150%
- Adding & subtracting rational numbers: 79% - 79.1 - 58 1/10
- Equivalent expressions with negative numbers
- Equivalent expressions with negative numbers
- Ordering expressions
- Ordering negative number expressions
- Substitution with negative numbers
- Substitution with negative numbers

#### 7.NS.A.2.a

Fully covered

- 1 and -1 to different powers
- Even & odd numbers of negatives
- Exponents with negative bases
- Exponents with negative fractional bases
- Interpreting multiplication & division of negative numbers
- Multiplying & dividing negative numbers word problems
- Multiplying negative numbers
- Multiplying negative numbers review
- Multiplying positive & negative numbers
- Multiplying positive and negative fractions
- Multiplying positive and negative fractions
- Sign of expressions challenge problems
- Signs of expressions
- Signs of expressions challenge
- The 0 & 1st power
- Why a negative times a negative is a positive
- Why a negative times a negative makes sense

#### 7.NS.A.2.b

Fully covered

- Dividing by zero
- Dividing mixed numbers with negatives
- Dividing negative fractions
- Dividing negative numbers
- Dividing negative numbers review
- Dividing positive and negative fractions
- Dividing positive and negative numbers
- Interpreting multiplication & division of negative numbers
- Multiplying & dividing negative numbers word problems
- Negative signs in fractions
- Negative signs in fractions
- Sign of expressions challenge problems
- Signs of expressions
- Signs of expressions challenge
- Simplify complex fractions
- Simplifying complex fractions
- Why dividing by zero is undefined

#### 7.NS.A.2.c

Fully covered

#### 7.NS.A.2.d

Fully covered

### 7.NS.A.3

Fully covered