Learn Desmos · Independent SAT Math course
Learn Desmos and lock in the 53.55% of SAT Math question types the calculator can do for you, by our estimate. You type the question the way it is written, read the answer off the graph, and move on. Twenty-seven short chapters. No paper, no other tabs, and it is free.
53.55%
Estimated coverage of SAT Math question types in this curriculum: Graphing 25.24% plus Regression 28.31%. It is an estimate taken from the course curriculum, exam mixes vary, and it is not a score or a promise about your result.
Built by Kabbier Daga, who scored 800 on SAT Math.
Most of the hard questions on that test came down to one habit: type the question into Desmos exactly as written and let the graph do the algebra. This course is that habit, written down in the order it was learned. What you do with it is yours. It is a method, not a promise about your score.
How you learn it
Every chapter runs the same way, and none of them is long. You watch a move, you make the same move in a live calculator that checks each step, then you take it to hard questions with a timer running.
One short video shows the move on the exact question it belongs to.
You do it yourself in a live Desmos calculator. Every step is checked before the next one opens.
Four hard SAT-style questions with a timer. Get one right and the fast Desmos route appears.
Why bother
The calculator is already on the test. Most students open it to add. Every minute the graph saves you is a minute for the questions that need real thinking.
A system of equations by hand is half a page. In Desmos it is two lines and a click on the point where they cross. The time you save goes to the questions that need real thought.
The same few moves, in the same order, on every question shape they fit. You practise one routine until it is boring. That is the point, because boring is what survives a stopwatch.
Graph it, or regress it. Has the question handed you a picture to read, or a set of conditions to solve? By chapter 27 you know which before you have finished reading it.
What you’ll learn
Section 1 teaches the calculator itself. Sections 2 and 3 turn it on the two families of questions that make up the 53.55%: graphing, then regression.
How it works
Finishing a chapter unlocks the next one, across section boundaries. Exactly one chapter is current at a time, so there is never a question about what to do next.
Locked chapters keep a skip action for students who are short on time. Skipped is recorded as skipped — it never counts as completed.
Guided steps completed, questions solved and active time on task are all recorded per chapter, so your progress page reflects work, not visits.
Course map · Section 1
01Using Desmos as a Calculator
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Create a free account and chapter 1 opens straight away. Each chapter unlocks the next, so the method builds in the order you will use it on test day.
Start freeLearn Desmos is an independent resource and is not affiliated with, sponsored by, or endorsed by College Board or Desmos. Coverage figures are curriculum estimates, not scores or predictions.
Section 1 Prerequisites carries the first two stages only. Those chapters teach the calculator itself, so there is no question type to time you on yet.
Sections 2 and 3 together: 53.55%
of SAT Math question types, stated as a curriculum coverage estimate — not a score and not a promise about your result. Read the methodology.
Completed
02Basic Graphing
Completed
03Points & Inequalities
In progress · Guided practice, step 3 of 6
04Graphing Single-Variable Equations
Locked · unlocks after chapter 3
05Variables vs Constants
Locked · unlocks after chapter 4