What Is Mathplanet and What Does It Offer?

Updated

Mathplanet is described as a free, accessible platform for learning high school mathematics, with courses listed in Pre-algebra, Algebra 1, Algebra 2, and Geometry. That description comes from the site's own title and summary, so treat it as the stated purpose rather than a verified catalog: the page content captured at selenite.skysthelimit.dev does not display those courses, and instead shows unrelated game-portal material. Before relying on the site for study, open it directly and confirm the math lessons are actually reachable.

What the site says it provides

According to the site's own description, Mathplanet offers:

  • Free access to mathematics learning material
  • High school–level courses in four areas: Pre-algebra, Algebra 1, Algebra 2, and Geometry
  • An accessible format, positioned as open to anyone who wants to study math

No pricing page, payment links, or subscription details appear in the available material. That absence is not proof the site is free in every respect — it simply means the captured page says nothing about cost. If cost matters to you, check the live site rather than assuming.

What the captured page actually shows

The page evidence conflicts with the math-platform description. The visible heading reads "your device is not supported!", followed by prompts to rotate the screen and wait for a game to load. The remaining text is a "welcome to selenite" interface with a theme selector, a "panic button," a "tab cloak" setting, and a fast-mode toggle, plus a generic education keyword block covering subjects from algebra to music and test prep from SAT to MCAT.

Two things follow from this:

  1. The page is a portal or launcher, not a lesson page. The math content may sit behind it, or the domain may host something other than what the title claims.
  2. The keyword block is not a course list. Terms like "MCAT prep" or "Calculus" appear as generic education vocabulary, not as confirmed offerings. Do not treat them as available courses.

How to check whether it fits your needs

If you want a free high school math resource, use this quick check before committing study time:

  1. Load the site on a desktop browser. The captured page complains about device support and asks for screen rotation, so a phone may not render it properly.
  2. Look for actual lesson pages. You want pages with explanations and exercises for Pre-algebra, Algebra 1, Algebra 2, or Geometry — not a landing screen with settings toggles.
  3. Test one topic end to end. Pick a single concept, such as solving linear equations, and confirm you can read an explanation and attempt practice problems.
  4. Check for account or payment prompts. If a sign-up wall appears, note what it asks for before entering any information.

Expected result: you should reach a math lesson within a couple of clicks. If you only find a game launcher, a theme selector, or generic education text, the site is not currently serving the math platform its title describes.

Common snags

  • Mobile rendering: the page explicitly states your device may not be supported and asks you to rotate the screen, so start on a larger screen.
  • Loading delay: the page says data fetching "should only take a second" — if it hangs, reload rather than assuming the site is down.
  • Mismatch between title and content: the biggest risk here is trusting the description. Verify the lessons exist before planning a study schedule around them.
  • Unverified scope: the four named courses are the only ones the description commits to. Anything broader you see in keyword lists is not confirmed.

Bottom line

Mathplanet presents itself as a free platform for high school math in Pre-algebra, Algebra 1, Algebra 2, and Geometry. The page captured at this domain, however, shows a game-style portal with unrelated interface elements, so the math offering should be confirmed on the live site before you depend on it. If the lessons load and are usable, it is a reasonable free option for high school math review; if they do not, look elsewhere.