Free
$0no card needed
- The Daily, every day
- 36 practice questions a day, each with an explanation: 12 easy, 12 medium, 12 hard
- Full-length Test A and Challenge Test 1
- All 1,023 vocabulary words: browse, flashcards and quiz
Digital SAT practice
Reach your peak.
A quick run every day, an explanation for every question, and full-length tests on official timing.
Free, no card. You also get 36 practice questions a day: 12 easy, 12 medium and 12 hard.
The DailySTEP 1
- Three hearts. A miss costs one.
- Streaks pay. ×2 from three in a row, ×3 from six.
- Your longest streak. Beat it tomorrow.
Full-length tests
The real test, rehearsed.
98 questions across four modules, in the digital SAT’s order and on its timing, with a highlighter, a question map and a timer you can see.
How it works
One run a day. One skill at a time.
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1
Play the Daily.
A quick run with three hearts. String right answers together and the questions get harder and the points multiply.
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2
Miss one, learn why.
Every question is tagged by domain and skill, and every answer comes with an explanation.
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3
Drill that skill.
Practice any single skill at any difficulty, or just the questions you got wrong.
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4
Beat your best.
Come back tomorrow and climb. Progress shows your accuracy and your strongest skills.
Built around the real SAT blueprint.
Every question is tagged by section, domain, skill and difficulty, so you can practice exactly what you need. Full tests run like test day: two Reading & Writing modules, a break, then two Math modules.
Free daily practice
12 easy, 12 medium and 12 hard questions free every day, each with a full explanation. Filter by section, domain, skill and difficulty. Resets at midnight.
Real SAT timing
Take any test on official timing, extended 1.5× time, or untimed to focus purely on accuracy.
Adaptive full-length tests
Four modules in official order. The second module of each section adapts to how you did on the first.
Vocabulary
1,023 essential SAT words. Browse the list, flip flashcards, or quiz yourself.
Your progress
Accuracy across daily practice and full tests, your strongest skills, and the ones that need the most help.
Games
PEAK Survivor, Hole and Peak Defense: three games powered by SAT practice questions.
Explanations
Every answer, explained.
Not just the right letter: how to get there, and why the tempting answer is wrong.
MathProblem-Solving and Data AnalysisHard
A store raises the price of a jacket by 20%. Later, it lowers the new price by 20%. The final price is what percent of the original price?
A80%
B96%Correct
C100%The trap
D104%
Check with $100: $100→then$120→then$96
Turn each change into a multiplier.
Up 20% means × 1.20. Down 20% means × 0.80.
Apply them in order.
1.20 × 0.80 = 0.96
Read the answer.
The final price is 96% of the original. That’s B.
Why not 100%?
The 20% cut is taken from the higher price, so it removes more than the 20% increase added.
Test day
What test day looks like.
Every Peakscor full test follows this order. In the standard tests, the second module of each section adapts to how you did on the first.
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Reading & Writing · Module 1
27 questions32 min
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Reading & Writing · Module 2
27 questions32 min
Adapts to how you did on Module 1. -
Break
10 min
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Math · Module 1
22 questions35 min
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Math · Module 2
22 questions35 min
Adapts to how you did on Module 1.
98 questions · 2 hr 14 min of testing, plus the break
Peakscor by the numbers
- 36free practice questions every day
- 98questions in every full-length test
- 1,023SAT vocabulary words
- 1.5×extended-time option on every test
Plans
Free every day. Pro when you’re serious.
The free plan is the real thing, not a trial. Pro removes the limits. Peak adds the full course and a plan to test day.
Pro
$20a month, or $200 a year
- Everything in Free
- Unlimited practice, no daily limit
- Every full-length test and Challenge test
Peak
$29a month, or $280 a year
- Everything in Pro
- The full Learn course: every lesson and mastery quiz
- Peak Plan, day by day to test day
Prices in US dollars. Cancel anytime.
FAQ
Questions, answered.
The Daily, plus 36 practice questions every day: 12 easy, 12 medium and 12 hard, each with a full explanation. Full-length Test A, Challenge Test 1 and all 1,023 vocabulary words are free too. No card needed.
Pro is $20 a month or $200 a year: unlimited practice with no daily limit, plus every full-length test and Challenge test. Peak is $29 a month or $280 a year: everything in Pro, plus the full Learn course and Peak Plan. Cancel anytime from your account.
98 questions across four modules, in the digital SAT’s order: Reading & Writing Module 1 and Module 2 (27 questions each), a 10-minute break, then Math Module 1 and Module 2 (22 questions each). On official timing that’s 2 hr 14 min of testing. You get estimated section scores and a total at the end.
Yes. In the standard full-length tests, Module 2 of each section is the harder version if you get 60% or more of Module 1 right, and the easier version if you don’t. Challenge tests use the hardest material throughout.
Official timing, extended 1.5× time, or untimed, on every test, including the free ones. Extended time allows 48 minutes for each Reading & Writing module and about 52 for each Math module. Untimed removes the clock so you can focus on accuracy.
A quick run with three hearts. Each right answer builds your streak: the questions get harder as it grows, and your points multiply (×2 from three in a row, ×3 from six). A miss costs a heart and drops you back to easy. Best is your longest streak.
Every day at midnight. You get a fresh 12 easy, 12 medium and 12 hard.
No. Peakscor is an independent SAT practice tool, not affiliated with the College Board. Scores shown are estimates.
Your next point starts today.
Free, no card.
Two-variable data · Lesson 4
Two-way tables
A two-way table sorts one group by two categories at once, such as grade and lunch choice. Each inner cell counts the members who fit one row category and one column category. The last row and last column usually hold the totals.
A relative frequency is a part divided by a whole. The part is a cell. The whole is the group the question is about, and the question's wording picks it.
What fraction of all the students... divides by the grand total. Of the students who chose pizza, what fraction... divides by the pizza total. What fraction of the 11th graders... divides by the 11th-grade total. Probability works the same way: in a student is chosen at random from those who..., the group after from is the whole.
Before dividing, say the whole in words, out of the pizza choosers or out of all 100 students, then find that number in the table.
If a cell is missing, use the fact that each row and each column adds up to its total, and subtract.
To compare groups of different sizes, compare fractions of each group, not raw counts.
| Grade | Pizza | Salad | Total |
|---|---|---|---|
| 10th | 36 | 24 | 60 |
| 11th | 30 | 10 | 40 |
| Total | 66 | 34 | 100 |
From this table: the fraction of all students who are 11th graders choosing pizza is . Of the pizza choosers, the fraction in 11th grade is . Of the 11th graders, the fraction choosing pizza is . Same cell, three different wholes, three different answers.
Worked example Easy
A museum surveyed 200 visitors about their age group and whether they used the audio guide.
| Age group | Used audio guide | Did not use audio guide | Total |
|---|---|---|---|
| Under 18 | 18 | 42 | 60 |
| 18 to 64 | 56 | 54 | 110 |
| 65 or older | 16 | 14 | 30 |
| Total | 90 | 110 | 200 |
What fraction of all the visitors surveyed were 65 or older and used the audio guide?
- Answer
How to solve it
- The whole is all the visitors surveyed: the grand total, 200.
- The part is visitors who are 65 or older and used the guide: the cell in that row and column, 16.
- .
Why each choice is right or wrong
- A. Correct. 16 of the 200 visitors were 65 or older and used the guide, and .
- B. Incorrect. This is the fraction of all visitors who were 65 or older, . It ignores whether they used the guide.
- C. Incorrect. This divides by the 90 visitors who used the guide: . That answers of the guide users, what fraction were 65 or older.
- D. Incorrect. This divides by the 30 visitors who were 65 or older: . That answers of the visitors 65 or older, what fraction used the guide.
Worked example Medium
A school surveyed 160 students about whether they play a sport and whether they play a musical instrument.
| Plays an instrument | Does not play an instrument | Total | |
|---|---|---|---|
| Plays a sport | 21 | 63 | 84 |
| Does not play a sport | 35 | 41 | 76 |
| Total | 56 | 104 | 160 |
If a student who plays an instrument is selected at random, what is the probability that the student also plays a sport?
- Answer
How to solve it
- The student is chosen from those who play an instrument, so the whole is the instrument column total, 56.
- The part is students in that column who also play a sport: 21.
- .
Why each choice is right or wrong
- A. Incorrect. This divides by all 160 students: . The student is chosen only from those who play an instrument, so the whole is 56.
- B. Incorrect. This divides by the 84 students who play a sport: . That is the probability that a sport player also plays an instrument, the reverse question.
- C. Incorrect. This is the fraction of all students who play an instrument, . The question is about which of those students also play a sport.
- D. Correct. Of the 56 students who play an instrument, 21 also play a sport, and .
Trap Dividing by the wrong total
The same cell gives different answers over a row total, a column total and the grand total, and SAT choices often include more than one of them. Words like of the, among the and from those who name the whole. Find that group's total before you divide.
Trap Comparing counts instead of fractions
When two groups have different sizes, the larger count doesn't mean the larger share. Divide each count by its own group's total before comparing.
Desmos When Desmos isn’t faster
The work in a two-way table is choosing which two numbers to divide, and that happens in your head.
Desmos is handy only as a calculator. If the choices are fractions and yours isn't in lowest terms, type it, for example 30/66, and Desmos shows its decimal value, about 0.4545. Type each choice the same way and compare the decimals.
Practice
Choose a section, then practice a whole domain or drill a single skill.
Full-length tests
Each test mirrors the digital SAT: 98 questions across four modules, 2 hr 14 min on official timing.
A little harder than the real SAT. These tests can run slightly tougher than test day, which makes them good practice: if you can handle these, the real one should feel easier. No question appears in more than one test, Challenge Tests included.
Challenge Tests Hardest of the hardest
Same 98-question format, but every question is drawn from the toughest SAT material: Challenging-tier math throughout and the hardest reading.
Vocab
Study the classic SAT vocabulary list. Browse, flip flashcards, or quiz yourself.
Free every day. Pro when you're serious.
Practice free every day. Pro removes the limits. Peak adds the full course and a plan to test day.
FREE
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- ✓ 12 easy + 12 medium + 12 hard daily
- ✓ Practice by any SAT domain
- ✓ Explanations on every question
- ✓ Test A and Challenge Test 1
- ✓ The first lesson of every Learn module
PRO
$200/ year
About $16.67 a month, save $40
- ✓ Everything in Free
- ✓ Unlimited daily practice
- ✓ Every full-length and Challenge test
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Full course and plan
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$280/ year
About $23.33 a month, save $68
- ✓ Everything in Pro
- ✓ Every Learn lesson, summary and mastery quiz
- ✓ Peak Plan: a day-by-day plan to test day
- ✓ Cancel anytime
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