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Test Mechanics: The PSAT/NMSQT Machine and How It Differs From the SAT

Two adaptive sections in 2 hours 14, a 320 to 1520 scale sharing one ruler with the SAT, and a math blueprint that is a strict subset of it.

9 topics · 36 questions

Each topic is a path, not a menu: work down it in order and every question builds on the one above. Click any of them to watch the answer draw itself.

The Shape of the Test: 98 Questions in 2 Hours 14

  1. How it worksHow do 54 Reading and Writing questions and 44 Math questions split across four separately timed modules?
  2. Worked exampleFind the seconds available per question when 27 questions get 32 minutes and 22 questions get 35.
  3. Common mistakeWhy isn't the 10-minute break a chance to slip back into the section you have just finished?
  4. Going furtherWhat happens to the rest of your time budget when one hard Math question eats three full minutes?
Your turneasy1 of 3
A Math module allows 35 minutes for 22 questions. A student finishes 11 of them in 17 minutes. Find the number of SECONDS then available for each remaining question.

The Multistage Adaptive Design

  1. How it worksHow does performance on the first module route a student into an easier or a harder second module?
  2. How it worksWalk me through the adaptive tree: one routing module branching into two possible second modules.
  3. Common mistakeWhy isn't the PSAT adapting question by question the way a fully computer-adaptive exam does?
  4. Common mistakeWhy doesn't deliberately tanking module one to earn the easy second module raise a Selection Index?
  5. Going furtherWhat happens to the highest score still reachable when the harder second module is the one you land in?
Your turneasy1 of 3
Two students sit the same PSAT on the same morning and afterwards find that 16 of the Math questions were different. Why?

The 320 to 1520 Scale and the SAT's 400 to 1600

  1. How it worksHow can a 500 on the PSAT and a 500 on the SAT mean exactly the same level of achievement?
  2. How it worksWalk me through laying the PSAT's 320 to 1520 and the SAT's 400 to 1600 along one shared ruler.
  3. Common mistakeWhy isn't the PSAT's lower ceiling a sign that it is the easier test to do well on?
  4. Worked exampleFind the growth shown by a student who earns 500 Math on the PSAT and 550 on the SAT a year later.
  5. Going furtherWhat happens further down the same ruler, where the PSAT 8/9 tops out at 1440 instead of 1520?
Your turneasy1 of 3
A student earns 540 in Math on the PSAT and 710 in Math on the SAT a year later. Find the growth in points on the shared scale.

The Grade-Level Benchmarks

  1. How it worksHow are the PSAT benchmarks set from expected growth toward the SAT's college readiness scores?
  2. Worked exampleFind whether a tenth grader with 440 Reading and Writing and 470 Math is meeting both benchmarks.
  3. Going furtherWhat changes about the benchmarks between tenth grade and eleventh grade, and why do they move?
  4. Common mistakeWhy isn't missing a benchmark by 10 points the same as being told you are not college material?
Your turneasy1 of 3
An eleventh grader scores Math 560, against the grade-11 math benchmark of 510. Find how many points they are above the benchmark; a negative answer means below it.

No Penalty for a Wrong Answer

  1. How it worksHow does the expected value of a blind guess on a four-option question come out above zero?
  2. Worked exampleFind how many of 12 blind guesses you expect right before and after eliminating one option each time.
  3. Going furtherWhat changes on a student-produced response question, where there are no four options to guess among?
Your turneasy1 of 3
Find the expected number of correct answers from 30 blind guesses on four-option multiple-choice questions.

Mark for Review and Moving Inside a Module

  1. How it worksHow does the Bluebook question list let you jump around inside a module without losing your place?
  2. Common mistakeWhy doesn't Mark for Review let you back into module one once that module's timer has expired?
  3. Going furtherWhat changes about your final five minutes when the review list already holds three flagged questions?
Your turneasy1 of 3
A question has resisted 5 minutes of work and 11 questions in the module are still unanswered. What does Mark for Review offer?

PSAT Math as a Strict Subset of SAT Math

  1. How it worksHow does the PSAT math blueprint sit inside the SAT's with four whole testing points greyed out?
  2. How it worksWalk me through what leaves: circle equations, radian measure, margin of error, and study design.
  3. Worked exampleFind the area of a sector of radius 6 cut by a 60 degree angle, and why the PSAT never asks it.
  4. Common mistakeWhy isn't a dropped topic a reason to skip it, given the SAT is waiting a few months later?
  5. Going furtherWhat happens to the domain weights when those dropped topics free up room for data analysis?
Your turneasy1 of 3
22 minutes into the Math section a student notices that the reference sheet still prints the area and circumference of a circle and the fact that a circle holds 2 π radians of arc. What should they make of that?

Reading and Writing, Identical to the SAT's

  1. How it worksHow do the same four Reading and Writing domains appear at a narrower difficulty band on the PSAT?
  2. Common mistakeWhy isn't gentler PSAT reading a different skill from the reading the SAT will eventually demand?
  3. Ties togetherHow does an unchanged Reading and Writing section become the highest-leverage section for a Selection Index?
Your turneasy1 of 3
A tutor preparing 66 juniors compares the PSAT and SAT Reading and Writing blueprints. What do they find?

Reading a PSAT Score as an SAT Prediction

  1. How it worksHow does the common vertical scale turn a PSAT section score into an expected SAT section score?
  2. Worked exampleFind the SAT total you would expect from a PSAT 1210 split as 620 reading with 590 math.
  3. Common mistakeWhy isn't a 1520 PSAT a promise of a 1600 SAT eight months down the road?
  4. Going furtherWhat happens to the forecast for a student sitting right on the 760 section ceiling of the PSAT?
Your turneasy1 of 3
A PSAT report shows Reading and Writing 650 and Math 620. On the shared vertical scale, find the SAT TOTAL that predicts for today.

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