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Premium unlocks every practice tool.

Unlimited targeted practice, Advanced SAT Math, full answer explanations, every mock score and the complete Error Journal. $4.99 a month, cancel anytime.

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What you get with Premium

Recorded straight from the practice dashboard.

Unlimited targeted practice

Pick a section, domain, skill and difficulty, then drill as many questions as you want. Free accounts get 100 targeted questions a month.

Advanced SAT Math

A separate bank of the hardest Math questions, for when the regular set stops being a challenge. Choose a length and how you want feedback, then start.

Full answer explanations

Every question you review shows why the right answer is right, so each miss turns into something you can fix. Premium also shows every mock score after your first 2.

The full Error Journal

Save the questions you miss, find them again by section and topic, and practice similar questions until the skill sticks. Free accounts get a trial of 10 questions and 2 skills per section.

Plans

Plans and courses

Premium is a subscription you can cancel anytime. The Desmos and Grammar courses are one-time purchases.

  • Subscription Most popular

    Premium

    Every practice tool on 1600.gg, for as long as you’re studying.

    $4.99/month Cancel anytime.

    • Unlimited targeted practice
    • Advanced hard SAT Math bank
    • Every mock score after your first 2
    • Full mock answer explanations
    • Full access to the Error Journal
  • One-time purchase Course

    Desmos Course

    Become a master at using Desmos for the SAT. Interactive graphs, quizzes, and SAT-style drills.

    $24.99 Lifetime. Includes 30 days of Premium.

    • Every unit, Bootcamp through Mastery
    • One-time purchase, not a subscription
    • Free month of Premium included
  • One-time purchase Course

    Grammar Course

    Stop losing hundreds of points to grammar questions that follow the same easy rules.

    $24.99 Lifetime. Includes 30 days of Premium.

    • Every unit, Mindset through Mastery
    • One-time purchase, not a subscription
    • Short rules, then real SAT grammar questions
Desmos Course

Desmos course: eleven units, one outcome each.

This is the full outline. Bootcamp, Algebra, and Functions are free with an account. Unlock the rest for $24.99.

  1. 0

    Bootcamp

    Become comfortable with Desmos.

  2. 1

    Algebra

    Become able to solve equations with Desmos.

  3. 2

    Functions

    Analyze functions for the SAT: evaluate, solve, interpret, and choose methods.

  4. 3

    Modeling

    Model data with regression and interpret results.

  5. 4

    Quadratics

    Extremely fast with quadratics.

  6. 5

    Statistics

    Able to analyze data.

  7. 6

    Geometry

    Use Desmos for SAT geometry, especially circles.

  8. 7

    Trigonometry

    Use Desmos for SAT trigonometry, recognize when it helps.

  9. 8

    Advanced Tools

    Use Desmos strategically when algebra would be slow.

  10. 9

    SAT Techniques

    Recognize when Desmos is the fastest path.

  11. 10

    Mastery Test

    Show you can choose the right strategy and get the answer.

Full Desmos page with a free sample lesson

Free sample

Lesson 0.1 · Welcome to Desmos

The first Bootcamp lesson, in full. Create a free account to keep going through Algebra and Functions.

Lesson 0 · 0.1

What Desmos is

Desmos is the graphing calculator built into Bluebook. Same tools you’ll have on test day.

  • Type equations and see graphs instantly
  • Click intersections, intercepts, and points
  • Build tables and run regressions

Why Desmos is useful for the SAT

Many math questions are faster when you graph → observe → answer instead of grinding algebra by hand.

  • Systems and intersections
  • Reading graphs and intercepts
  • Checking work in seconds
  • Tables and regressions for linear models

When you should use Desmos

  • The problem is about a graph, intersection, or intercept
  • You can write an equation or inequality quickly
  • A table of values is given and you need a model
  • You want a fast check after solving by hand

Mindset: graph → observe → answer. Let the picture do the algebra when it can.

Continue the free Bootcamp

Grammar Course

Grammar course: seven units, short rules, then real questions.

The SAT Grammar Mindset unit is free with an account. Unlock the rest for $24.99.

  1. 1

    The SAT Grammar Mindset

    Introduce how SAT grammar questions work and establish the core strategy.

  2. 2

    Sentence Boundaries & Punctuation

    Learn how to split clauses and pick the legal mark.

  3. 3

    Agreement & Verbs

    Master subject-verb agreement, pronoun agreement, verb tense, and verb forms.

  4. 4

    Pronouns, Modifiers & Parallelism

    Learn how words and phrases relate to one another within a sentence.

  5. 5

    Concision, Diction & Transitions

    Master questions that test whether writing is clear, precise, concise, and logically connected.

  6. 6

    The Smaller Rules

    Learn the smaller grammar rules that appear less frequently but still matter for a top SAT score.

  7. 7

    Grammar Mastery

    Put everything together and build the speed and accuracy the SAT needs.

Full Grammar page

$4.99/month

Every Premium feature. Cancel anytime.