Contenido principal

### Math

## Common Core Math

# Grade 8: Expressions and Equations

### 8.EE.A.1

Fully covered

- Multiply & divide powers (integer exponents)
- Divide powers
- Exponent properties review
- Exponent properties with parentheses
- Exponent properties with products
- Exponent properties with quotients
- Multiply powers
- Multiplying & dividing powers (integer exponents)
- Negative exponent intuition
- Negative exponents
- Negative exponents
- Negative exponents review
- Powers of powers
- Powers of products & quotients
- Powers of products & quotients (integer exponents)
- Powers of products & quotients (integer exponents)
- Powers of products & quotients (structured practice)
- Properties of exponents challenge (integer exponents)
- Square roots review

### 8.EE.A.2

Fully covered

- Cube roots
- Cube roots review
- Dimensions of a cube from its volume
- Equations with square roots & cube roots
- Equations with square roots: decimals & fractions
- Intro to cube roots
- Intro to square roots
- Roots of decimals & fractions
- Square and cube challenge
- Square root of decimal
- Square roots
- Square roots of perfect squares
- Understanding square roots

### 8.EE.A.3

Fully covered

### 8.EE.A.4

Fully covered

- Adding & subtracting in scientific notation
- Approximating with powers of 10
- Approximating with powers of 10
- Multiplication and division with powers of ten
- Multiplying & dividing in scientific notation
- Multiplying & dividing in scientific notation
- Multiplying multiples of powers of 10
- Multiplying three numbers in scientific notation
- Scientific notation word problem: red blood cells
- Scientific notation word problem: speed of light
- Scientific notation word problem: U.S. national debt
- Scientific notation word problems
- Simplifying in scientific notation challenge
- Subtracting in scientific notation

### 8.EE.B.5

Fully covered

- Graphing proportional relationships
- Graphing proportional relationships from a table
- Graphing proportional relationships from an equation
- Graphing proportional relationships: unit rate
- Rates & proportional relationships
- Rates & proportional relationships example
- Rates & proportional relationships: gas mileage

### 8.EE.B.6

Mostly covered

#### 8.EE.C.7.a

Fully covered

#### 8.EE.C.7.b

Fully covered

- Equation practice with angle addition
- Equation practice with complementary angles
- Equation practice with midpoints
- Equation practice with midpoints
- Equation practice with segment addition
- Equation practice with segment addition
- Equation practice with supplementary angles
- Equation practice with vertical angles
- Equation practice with vertical angles
- Equation with the variable in the denominator
- Equation with variables on both sides: fractions
- Equations with parentheses
- Equations with parentheses
- Equations with parentheses: decimals & fractions
- Equations with variables on both sides
- Equations with variables on both sides: 20-7x=6x-6
- Equations with variables on both sides: decimals & fractions
- Intercepts from an equation
- Intercepts from an equation
- Intro to equations with variables on both sides
- Multi-step equations review
- Slope-intercept equation from two points
- Slope-intercept from two points
- Sum of integers challenge
- Sums of consecutive integers
- Sums of consecutive integers
- Worked example: intercepts from an equation

#### 8.EE.C.8.a

Fully covered

- Interpret points relative to a system
- Interpreting points in context of graphs of systems
- Number of solutions to a system of equations
- Number of solutions to a system of equations algebraically
- Number of solutions to a system of equations algebraically
- Number of solutions to a system of equations graphically
- Number of solutions to a system of equations graphically
- Number of solutions to system of equations review
- Systems of equations with graphing
- Systems of equations with graphing
- Systems of equations with graphing
- Systems of equations with graphing: 5x+3y=7 & 3x-2y=8
- Systems of equations with graphing: chores
- Systems of equations with graphing: y=7/5x-5 & y=3/5x-1

#### 8.EE.C.8.b

Fully covered

- Elimination strategies
- Number of solutions to a system of equations algebraically
- Number of solutions to a system of equations algebraically
- Number of solutions to a system of equations graphically
- Number of solutions to system of equations review
- Solutions of systems of equations
- Substitution method review (systems of equations)
- Systems of equations number of solutions: fruit prices (1 of 2)
- Systems of equations number of solutions: fruit prices (2 of 2)
- Systems of equations with elimination
- Systems of equations with elimination: -3y+4x=11 & y+2x=13
- Systems of equations with elimination: 2x-y=14 & -6x+3y=-42
- Systems of equations with elimination: 3t+4g=6 & -6t+g=6
- Systems of equations with elimination: 4x-2y=5 & 2x-y=2.5
- Systems of equations with elimination: 6x-6y=-24 & -5x-5y=-60
- Systems of equations with elimination: x+2y=6 & 4x-2y=14
- Systems of equations with graphing
- Systems of equations with substitution
- Systems of equations with substitution
- Systems of equations with substitution: -3x-4y=-2 & y=2x-5
- Systems of equations with substitution: 2y=x+7 & x=y-4
- Systems of equations with substitution: 9x+3y=15 & y-x=5
- Systems of equations with substitution: potato chips
- Systems of equations with substitution: y=-1/4x+100 & y=-1/4x+120
- Systems of equations with substitution: y=-5x+8 & 10x+2y=-2
- Systems of equations with substitution: y=4x-17.5 & y+2x=6.5
- Systems of equations word problems
- Systems of equations: trolls, tolls (1 of 2)
- Systems of equations: trolls, tolls (2 of 2)

#### 8.EE.C.8.c

Fully covered

- Age word problem: Arman & Diya
- Age word problem: Ben & William
- Age word problem: Imran
- Age word problems
- Interpret points relative to a system
- Interpreting points in context of graphs of systems
- Setting up a system of equations from context example (pet weights)
- Setting up a system of linear equations example (weight and price)
- System of equations word problem: infinite solutions
- System of equations word problem: no solution
- System of equations word problem: walk & ride
- Systems of equations with elimination: apples and oranges
- Systems of equations with elimination: coffee and croissants
- Systems of equations with elimination: TV & DVD
- Systems of equations with graphing: chores
- Systems of equations with substitution: coins
- Systems of equations word problems