MONOct 5
Lesson 1
One-Step Equations: Meet the Balance
Read what is attached to the variable, choose the opposite move, then make it on both sides.
Learn · Algebra 1
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Pick a month, choose a week, and jump into the lesson you need. No pressure. No guessing where to begin. We’ll work it out from there.
Grades 8–12Clear lesson pathFree MissionsCaptions on every video
Continue learning · October · Week 1
One-Step Equations: Meet the Balance
Finn the Fox · Solving Equations
Every equation is a case. Read the clues, make the same move on both sides, and check the answer back in — that is the whole month.
Today’s lesson video
Monday · One-Step Equations: Meet the Balance
Monday’s lesson is live. Press play to open the full lesson — the video, the Bandit Error, and Monday’s Mission all in one place.
Watch · Try · Check
October · Week 1Your lesson and Mission live together.
Pick the day you need. Watch the explanation, then open the matching Mission without bouncing between two parts of the site.
TUEOct 6
Lesson 2
Add and Subtract to Solve
Name what is attached to the variable, then use its opposite.
WEDOct 7
Lesson 3
Multiply and Divide to Solve
Name the coefficient, then divide both sides by it.
THUOct 8
Lesson 4
One-Step Equations with Negatives
The minus belongs to the coefficient, so it goes along for the ride.
FRIOct 9
Boss Battle day
Boss Prep: One-Step Equations
Every lock in Friday’s Boss Battle uses one clue from this week.
Quick Decoder
Know the Solver Society language.
A few names you’ll see as you move through a week.
MissionOne day’s downloadable practice.
Mission DebriefThe worked answers for a Mission.
Mission PackAll five Missions + all five Mission Debriefs for the Week.
Boss PrepFriday’s Mission — a warm-up for the Boss Battle.
Boss BattleFriday’s challenge video. No answer is given that day.
Final UnlockThe hardest optional problem inside an activity.
October · Finn the Fox
4 weeks · 20 Missions
Solving Equations
Four weeks that turn September’s expressions into equations you can solve — one move at a time, on both sides.
Week 1Start here
One-Step Equations
Keep the balance, add and subtract to solve, multiply and divide to solve, and keep the sign attached when the numbers go negative.
Open Monday’s lesson →Week 2Coming up
Two-Step Equations
Build the undo plan, undo in reverse order, and track every negative sign from the first line to the last.
Week 3Coming up
Multi-Step Equations
Distribute and combine like terms first, then solve. Tidy each side before anything crosses the equals sign.
Week 4Coming up
Variables on Both Sides & Applications
Bring the variables together, spot one, none or infinitely many solutions, and turn word problems into equations.
Last month · September · Sunny Bun
5 weeks · 25 Missions
Foundations
Every September lesson and Mission is still open — come back here whenever an equation needs an expression skill you have not used in a while.
Week 1Open
Variables & Expressions
Meet variables, identify the parts of expressions, write expressions from words, and evaluate by substitution.
Open Monday’s lesson →Week 2Open
Order of Operations & Evaluating Expressions
Follow operation priority, work cleanly left to right, and evaluate expressions without skipping steps.
Week 3Open
Number Properties
Use the commutative, associative, and distributive properties to recognize structure and simplify with confidence.
Week 4Open
Combining Like Terms
Spot terms that really belong together, combine them correctly, and catch the shortcuts that do not work.
Week 5Open
Distributive Property, Mixed Expressions & Review
Distribute, simplify mixed expressions, and pull September’s ideas together before Solving Equations begins.
Explore Algebra 1
September → May
The whole year, in one place.
Current lessons stay easy to find. Earlier months remain available, and future units stay visible so you always know what is coming next.
Foundations
Sunny Bun
Variables, expressions, properties, like terms, and distribution.
Solving Equations
Finn the Fox · The Detective
One-step, two-step, multi-step, and variables on both sides.
Inequalities
Bella the Bear · The Gatekeeper
Write, graph, solve, and work with compound and absolute-value inequalities.
Relations & Functions
Ollie the Owl · The Oracle
Domain, range, function notation, evaluation, and rate of change.
Linear Equations & Graphing
Penn the Penguin · The Navigator
Coordinate planes, slope, writing equations, graphing, and interpretation.
Systems of Equations
Harper the Betta Fish · The Harmonizer
Graphing systems, substitution, elimination, applications, and method choice.
Exponents & Exponent Rules
Nyx the Bat · The Night Owl
Exponent rules, negative exponents, scientific notation, and applications.
Polynomials & Factoring
Ruby the Ragdoll · The Organizer
Add, subtract, multiply, factor the GCF, and factor trinomials.
Quadratics + Year-End Review
Jingles the Dog · The Memory Keeper
Quadratic patterns, graphs, simple factoring, applications, and final review.
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Use Start Here for the quickest route into the current lesson, or open the Glossary when a math word is the thing getting in your way.