Algebra 1

418 skills 75 lessons

IXL offers hundreds of Algebra 1 skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers hundreds of Algebra 1 skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

C. Ratios, rates, and proportions

  1. 1
    Identify equivalent ratios
  2. 2
    Write an equivalent ratio
  3. 3
    Unit rates
  4. 4
    Unit prices
  5. 5
    Solve proportions
  6. 6
    Solve proportions: word problems
  7. 7
    Scale drawings: word problems

G. Coordinate plane

  1. 1
    Coordinate plane review
  2. 2
    Midpoint formula: find the midpoint
  3. 3
    Midpoint formula: find the endpoint
  4. 4
    Distance between two points

L. Absolute value equations and inequalities

  1. 1
    Solve absolute value equations
  2. 2
    Graph solutions to absolute value equations
  3. 3
    Solve absolute value inequalities
  4. 4
    Graph solutions to absolute value inequalities

R. Piecewise-defined functions

  1. 1
    Evaluate piecewise-defined functions
  2. 2
    Graph piecewise-defined functions

T. Linear functions

  1. 1
    Identify linear functions from graphs and equations
  2. 2
    Identify linear functions from tables
  3. 3
    Find the slope of a graph
  4. 4
    Find the slope from two points
  5. •
    New! Find the slope from a table
  6. 5
    Find a missing coordinate using slope
  7. 6
    Slope-intercept form: find the slope and y-intercept
  8. 7
    Slope-intercept form: graph an equation
  9. 8
    Slope-intercept form: write an equation from a graph
  10. 9
    Slope-intercept form: write an equation
  11. 10
    Slope-intercept form: write an equation from a table
  12. 11
    Slope-intercept form: write an equation from a word problem
  13. •
    New! Domain and range of linear functions: word problems
  14. 12
    Linear equations: solve for y
  15. 13
    Write and solve two-variable linear equations: word problems
  16. 14
    Complete a table and graph a linear function
  17. 15
    Compare linear functions: graphs and equations
  18. 16
    Compare linear functions: tables, graphs, and equations
  19. 17
    Interpret the slope and y-intercept of a linear function
  20. 18
    Write equations in standard form
  21. 19
    Standard form: find x- and y-intercepts
  22. 20
    Standard form: graph an equation
  23. 21
    Equations of horizontal and vertical lines
  24. 22
    Graph a horizontal or vertical line
  25. 23
    Point-slope form: graph an equation
  26. 24
    Point-slope form: write an equation
  27. 25
    Point-slope form: write an equation from a graph
  28. 26
    Find the slope and intercepts from an equation
  29. 27
    Slopes of parallel and perpendicular lines
  30. 28
    Write an equation for a parallel or perpendicular line
  31. 29
    Transformations of linear functions

Z. Monomials

  1. 1
    Identify monomials
  2. 2
    Multiply monomials
  3. 3
    Divide monomials
  4. 4
    Multiply and divide monomials
  5. 5
    Powers of monomials

JJ. Sets

  1. 1
    Sets, subsets, and complements
  2. 2
    Set-builder notation
  3. 3
    Interval notation
  4. •
    New! Unions and intersections of sets

KK. Logic

  1. 1
    Identify hypotheses and conclusions
  2. 2
    Counterexamples

Algebra 1 lessons

These lessons help you brush up on important math topics and prepare you to dive into skill practice!

Numbers and operations

  1. Integers
  2. Adding and subtracting integers
  3. Multiplying and dividing integers
  4. Rational numbers
  5. Adding and subtracting rational numbers
  6. Multiplying and dividing rational numbers
  7. Square roots
  8. Cube roots
  9. Irrational numbers
  10. Pi

Percents

  1. Percents
  2. Simple interest
  3. Percent change

Geometry

  1. Transversals of parallel lines
  2. Interior angles of triangles
  3. Exterior angles of triangles
  4. The Pythagorean theorem
  5. The converse of the Pythagorean theorem
  6. Midpoint formula
  7. Distance formula

Number sequences

  1. Arithmetic sequences
  2. Geometric sequences

Expressions

  1. Writing algebraic expressions
  2. Evaluating expressions
  3. Simplifying expressions
  4. The distributive property
  5. Expanding expressions
  6. Factoring expressions

Single-variable equations

  1. Solving equations
  2. Multi-step equations
  3. Equations with infinitely many or no solutions

Single-variable inequalities

  1. Solving inequalities
  2. Compound inequalities

Absolute value equations and inequalities

  1. Absolute value equations
  2. Absolute value inequalities

Relations and functions

  1. Relations and functions
  2. Independent and dependent variables
  3. Domain and range
  4. Inverse functions

Proportional relationships

  1. Proportional relationships
  2. Constant of proportionality

Linear functions

  1. Linear equations
  2. Linear functions
  3. Slope
  4. Slope-intercept form
  5. Point-slope form
  6. Standard form of linear equations
  7. Equations of parallel and perpendicular lines
  8. Systems of equations

Linear inequalities

  1. Linear inequalities
  2. Systems of linear inequalities

Exponents

  1. Exponents
  2. Properties of exponents
  3. Rational exponents

Scientific notation

  1. Scientific notation
  2. Adding and subtracting numbers in scientific notation
  3. Multiplying and dividing numbers in scientific notation

Exponential functions

  1. Exponential functions
  2. Exponential growth
  3. Exponential decay

Quadratic equations

  1. Quadratic equations
  2. Factoring quadratic equations
  3. Completing the square
  4. The quadratic formula
  5. Quadratic functions

Absolute value functions

  1. Absolute value functions

Piecewise functions

  1. Piecewise functions

Data and graphs

  1. Box and whisker plots
  2. Dot plots
  3. Histograms
  4. Standard deviation and variance
  5. Scatter plots
  6. Correlation
  7. Line of best fit
  8. Two-way tables