GED Math Passing Score: You Need 145

The short answer

You need a scaled score of 145 out of 200 on GED Mathematical Reasoning. You need 145 on each of the other three subjects too. There is no total to reach and no averaging — a 190 in Science does not carry a 140 in math.

Passing score

145 of 200

Questions

About 46

Time

115 minutes

Estimated misses

About 16–19

The scale runs from 100 to 200. Below 145 is below passing. From 145 to 164 you have passed. From 165 to 174 you also earn the GED College Ready designation, and from 175 to 200 you earn GED College Ready + Credit. The test itself is about 46 questions in 115 minutes, split into a short opening part of roughly five questions with no calculator and a longer part of about 41 with an on-screen TI-30XS.

How many questions can you miss on the GED math test?

Our working estimate: about 16 to 19 of the roughly 46 questions, which means getting 27 to 30 right. That is an estimate, it is presented as a range on purpose, and the rest of this section is the reasoning, because the reasoning is the part that tells you how much to trust it.

Why an exact number does not exist

GED Testing Service has never published a raw-to-scaled conversion. You will not find one on the scoring pages, in the Policy Manual, or in the Assessment Guide for Educators (the fifty-odd-page document that is the official specification for the math test). That document tells you the content weights, the five question formats and the depth-of-knowledge mix. It does not tell you how many points the test is worth or how points become a score.

The official specification for GED math runs to more than fifty pages of content targets, item types and sample questions. It contains no raw-point total, no fixed question count, and no line converting answers into a scaled score.Assessment Guide for Educators: Mathematical Reasoning, GED Testing Service

Four separate things make a single exact number impossible:

1. Your score is scaled, not a percentage. The 100–200 number is not “questions right out of 46” dressed up. It is a conversion, and the conversion is not public.
2. Forms differ. The official wording is “about 46 questions”, never a fixed count. Scaling exists precisely so a 145 means the same thing on a slightly harder form as on a slightly easier one, which means the number of questions behind 145 moves a little too.
3. Not every question is worth one point. GED Testing Service does not publish what individual items are worth. A drag-and-drop question with four targets is plainly not the same unit of work as a four-option multiple choice. Treating them as equal is an assumption rather than a fact.
4. Some questions are all-or-nothing. On the formats with several parts (drag and drop, a sentence with two drop-downs), getting most of it right is not the same as getting it right.

The working estimate, and the arithmetic behind it

So where does 16 to 19 come from? It rests on two inputs, both stated openly.

The first is the figure that test-prep publishers converge on: that 145 needs roughly 60 to 65% of the available points. None of them sources it to GED Testing Service, because there is nothing to source it to. Still, several independent publishers landing in the same place is weak evidence rather than no evidence. The second is our own scoring model, which places the bottom of the passing band at 58% correct. Taking the wider of the two gives a floor of 58% and a ceiling of 65%.

That is the whole calculation. It is arithmetic on two assumptions, and if either assumption is wrong the answer moves. Any site that prints a single exact figure, such as “you can miss exactly 15”, has done the same arithmetic on the same unsourced assumption and then deleted the uncertainty. The number is not more accurate for being more precise.

What to aim for instead

Plan against the tight end. Treat 30 right as your target and 16 misses as your ceiling, because you will not know which end of the range your form sits at until it is over. A student who trains to 27 is betting that the generous assumption holds.

And answer every question. A blank is a guaranteed zero; a guess is not. On a four-option multiple choice you have not read properly, eliminating one obviously wrong option and picking between the rest beats leaving it. Flag it, move on, come back if the clock allows.

Estimate your own score

Put a practice-test result in and this gives you the band it lands in; a precise score would be fake. Move the slider with the arrow keys or type the number straight in.

What each GED score band unlocks

The credential is the same whether you score 145 or 200. It does not print your score on the front. What the higher bands change is what a college will let you skip.

Those credit hours are real money. Ten hours is most of a semester at a community college, and the gap between a 164 and a 175 in math is a handful of questions. If you are already comfortably past 145 in practice, pushing for the higher band is one of the better-paid few weeks of study you will ever do.

Numbers about GED scoring that are wrong

GED scoring attracts more bad information than almost anything else about the test. The numbers below circulate widely and are all wrong, mostly old figures that got copied forward.

When your score arrives, and how long it lasts

GED Testing Service says scores are usually available within 24 hours of testing, and can take up to three business days. They land in your GED.com account with a checklist of the skills that cost you marks, grouped into the four categories the score report uses.

Scores also do not expire. The GED Policy Manual states plainly that “there is no expiration of content area scores within the current GED® test”, and GED Testing Service does not set a deadline for finishing all four subjects. States can set their own rules, so if you passed two subjects three years ago and are coming back now, check your state policy page before you assume anything.

If you did not pass: the retake rules

You retake the one subject you missed, not all four. The waiting rules depend on where you tested.

There are discounted retakes, and this is the one place we will tell you not to trust a single source, including this page. The general retake FAQ describes a discount on two retests within 12 months of a full-price test. Several state pages describe one discounted retake per purchased-and-failed subject within 365 days. The wording is not the same, discounts are not offered for online-proctored or international testing, and state and test-center fees can still apply. Check your own state page before you budget for a retake.

Why math is the subject that stops people

If you are here because math is the one standing between you and the credential, you are in an extremely large group.

Four out of five people who are one subject away from a GED are one math subject away.Derived from GED Testing Service presentations, 2024

It is worth what it costs. Federal labor figures put median usual weekly earnings for full-time workers aged 25 and over at $966 for people with a high school diploma against $770 for those without one. That is $196 a week, roughly $10,192 over a year, and the unemployment rate is 4.3% against 6.1%. One caveat the Bureau of Labor Statistics prints itself: its 2025 annual averages are 11-month averages, because October was excluded during the federal government shutdown, so they are not strictly comparable with other years.

How to get from where you are to 145

The distance between a 135 and a 145 is usually three or four questions, and they are usually clustered in one or two topics rather than sprinkled evenly. That makes this a targeting problem more than an endurance problem.

1. Take one full, timed test cold. Not to feel good, but to find out which of the four score-report categories is leaking marks. Our full-length practice test runs 46 questions in 115 minutes with the calculator locked for the opening part, like the real one.
2. Spend your time where the test does. Algebra is the larger half: expressions and equations are about 30% of the test and graphs and functions about 25%, so algebra is roughly 55% of your score. Rational numbers are about 25% and measurement about 20%.
3. Drill the weak topic, not the whole test. Short topic sets teach; full tests only measure.
4. Learn the formula sheet before test day. It is given to you, but it does not have compound interest, percent change or unit conversions on it. Our formula sheet page covers every entry and the gaps.
5. Practice the first five questions without a calculator. That is where prepared students quietly lose marks. The TI-30XS guide covers what the calculator does and when it is taken away.
6. Work to a plan. Our study guide turns the weak-topic list into a week-by-week schedule.