Algebra 1 · Grades 7-10
Core Algebra 1 skills, one at a time.
Watch a short lesson, read the key idea, then practice until it sticks. Teachers can run their classes here, and students can ask a tutor for help. Free, with no ads.
- Units
- 15
- Skills
- 52
- Cost
- Free
Course outline
15 units · 52 skills
Unit 2
Solving Equations & Inequalities
Master the art of solving linear equations step by step.
0/5 skills
Unit 3
Linear Equations & Graphs
Work with points, slope and intercepts, and read what a line's equation tells you.
0/4 skills
Unit 4
Forms of Linear Equations
Work with slope-intercept, point-slope, and standard form.
0/4 skills
Unit 5
Systems of Equations
Solve systems of two linear equations, and find where two lines cross.
0/4 skills
Unit 6
Inequalities (Systems & Graphs)
Decide how a two-variable inequality is drawn, and find points that satisfy two at once.
0/3 skills
Unit 7
Functions
Evaluate functions, find domains, and find average rates of change.
0/3 skills
Unit 8
Sequences
Explore arithmetic and geometric patterns.
0/2 skills
Unit 9
Exponents & Radicals
Master exponent rules and simplify radical expressions.
0/4 skills
Unit 10
Exponential Growth & Decay
Model real-world growth and decay with exponential functions.
0/3 skills
Unit 11
Quadratics: Multiplying & Factoring
Multiply polynomials and factor quadratic expressions.
0/4 skills
Unit 12
Quadratic Functions & Equations
Read a parabola's key features from its equation and solve quadratic equations.
0/4 skills
Unit 13
Absolute Value & Piecewise Functions
Work with absolute value equations and piecewise-defined functions.
0/3 skills
Unit 14
Data & Statistics
Summarize data with center and spread, predict with trend lines, and compare groups in two-way tables.
0/3 skills
Unit 15
Modeling with Functions
Rearrange formulas, transform functions, and choose between linear and exponential models.
0/3 skills
AlgeBridge 2
New courseAlgebra 2 in 10 units, from square roots up to i to the unit circle. Same lessons, same practice, same path.
See the AlgeBridge 2 outlineFive games, one team
Play with the team
Skate with Veronica, wrestle with Shaurya, cheer with Jo, spike with Jordyn, or score with Rayla. Each game stops for a quick head-math question from the unit you are on, and every right answer pays.
Up to 60 Bridgeys a dayWhy Algebra 1
Algebra is where a letter stands in for a number you have yet to find, and every unit here is a way of finding it. The rest of high school math is built on it, and so is most of science. The people who built the subject said why it matters better than we can.
…what is easiest and most useful in arithmetic, such as men constantly require in cases of inheritance, legacies, partition, lawsuits, and trade, and in all their dealings with one another.
In today's world, economic access and full citizenship depend crucially on math and science literacy.
Algebra is the intellectual instrument which has been created for rendering clear the quantitative aspects of the world.
How each skill works
Watch
A short video picked for the skill, from a channel like Khan Academy or Math Antics.
Practice
Get five right on the first try. Problems can be set in things you're into.
Complete
The skill turns green and opens the next one on your path.
Review
Finished skills come back later, so they stay sharp.