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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.
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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
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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
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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.
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Inferences · Lesson 3
Contrasts and exceptions
Words like however, unlike, but, instead and except signal a contrast. In many Inferences passages, that contrast marks one case that breaks a pattern, and that break is usually what the blank is about.
Many of these passages follow one shape: a general pattern, the reason behind it, then an exception. Ask what must be different about the exception. Often the answer is that it doesn't depend on the condition the reason names, or that another factor is at work.
Keep the exception in proportion. One case that breaks a pattern shows the pattern has limits. It rarely shows the pattern is false everywhere, so a choice that throws out the whole rule usually goes too far.
Keep the direction, too. The right answer keeps the contrast pointing the way the passage set it up; a choice that makes the exception behave like everything else has reversed it.
Worked example Easy
Most desert lizards hunt during the day, because they need warm sunlight to raise their body temperature high enough to move quickly. One small gecko species studied by herpetologist Ana Duarte, however, hunts only at night. Duarte found that this gecko can run at full speed at body temperatures far lower than most lizards need. This finding suggests that, unlike most desert lizards, the gecko
Which choice most logically completes the text?
- must bask in strong sunlight for some time before it can move quickly enough to hunt.
- does not depend on warmth from the sun to move fast enough to hunt.Answer
- lives only in parts of the desert where the nights stay warm enough for it to hunt.
- hunts the same insects that daytime lizards hunt.
How to solve it
- Pattern and reason: most lizards hunt by day because they need warm sunlight to move quickly.
- Exception: this gecko hunts at night and runs at full speed at far lower body temperatures.
- Prediction: the gecko doesn't need the condition the pattern depends on, the sun's warmth. That is choice B, and unlike most desert lizards confirms it should be a difference.
Why each choice is right or wrong
- A. Incorrect. This reverses the contrast. Needing sunlight is what most lizards do; the blank follows unlike most desert lizards, so it needs a difference.
- B. Correct. Most lizards need warm sunlight to move quickly, but this gecko runs at full speed at far lower body temperatures, so it doesn't rely on the sun's warmth.
- C. Incorrect. The passage never mentions warm nights. The finding is that the gecko moves fast at body temperatures far lower than most lizards need, which points away from it depending on warmth, not toward a need for warm nights.
- D. Incorrect. The passage says nothing about prey. This answers a different question from the one about temperature and speed.
Worked example Medium
In the eighteenth century, most European composers wrote for court orchestras and church choirs, whose trained musicians could perform difficult music. Music historians have long noted that the keyboard sonatas of the composer Jakob Hessler are unusually simple for the period. Unlike most of his peers, Hessler earned his living by selling printed copies of his music to amateur players who performed at home. Few of these buyers had professional training, and Hessler's publisher warned him that pieces too hard to play at home did not sell. This difference suggests that Hessler's simple style most likely reflected
Which choice most logically completes the text?
- the skills of the amateur players who bought his music.Answer
- the demands of the trained court musicians who performed his works.
- a lack of formal training in musical composition.
- the style that most composers of his time preferred.
How to solve it
- Pattern: most composers wrote for trained musicians who could play difficult music.
- Exception: Hessler's music is unusually simple, and he wrote for amateur players instead.
- Prediction: the difference in audience explains the difference in style. Music for amateurs would need to be playable by amateurs. That is choice A.
Why each choice is right or wrong
- A. Correct. Unlike his peers, Hessler sold music to amateur players, few of whom had professional training, and his publisher warned that pieces too hard to play at home did not sell. Simple music suited the people who bought it.
- B. Incorrect. The passage says Hessler sold to amateurs unlike most of his peers, who wrote for court musicians. Court musicians could play difficult music, so they would not explain a simple style.
- C. Incorrect. A lack of formal training is a possible real-world explanation, but the passage never mentions Hessler's own training, only his buyers'. The difference it does give is his audience.
- D. Incorrect. His sonatas are unusually simple for the period, so they did not follow what most composers did.
Trap The reversed contrast
When unlike, however or but marks an exception to a pattern, one choice often describes the exception as if it followed the pattern after all. It sounds familiar because the passage just described the pattern. Check that your choice keeps the exception different.
Trap The exception that erases the rule
One case that breaks a pattern doesn't prove the pattern wrong. Saying the exception itself doesn't depend on the usual factor can be right; saying the factor has no effect anywhere, or that the rule never holds, turns one exception into a sweeping claim. Prefer the choice that limits the claim to the exception, or says another factor may be involved.
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.
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