➗ Math apps and platforms · 🎮 Learning games and sites
SolveMe Puzzles
By Education Development Center (EDC). Visit SolveMe Puzzles
Desk research from the maker's own pages. Not yet tried by us. Checked 2026-10-24.
SolveMe Puzzles is a free website from the nonprofit Education Development Center with three kinds of math puzzles. In Mobiles, kids balance hanging shapes, which uses the same logic as solving equations. In Who Am I?, they find a mystery number from clues about place value, factors and primes. In MysteryGrid, they fill a grid using arithmetic and inequality clues. Children can also build their own puzzles to share. It works best on a larger screen.
Our take: A good free pick for kids 8 and up who like logic puzzles and are heading toward algebra; skip it if you need a phone app or a guided course.
Checked in a browser
A browser check on 2026-10-25: what loads, the ads and trackers we saw, and what a child meets first. Not a hands-on test.
| Child safety: 5 out of 5 | No ads, chat, sign-up or links out beyond the funders (NSF, Transition to Algebra). |
|---|---|
| Data: 4 out of 5 | Google Analytics/Tag Manager only. |
| Ease: 5 out of 5 | Three big picture buttons (Mobiles, Who Am I?, MysteryGrid) on a plain screen. |
| Cost honesty: 5 out of 5 | Free; no upsell seen. |
What we found
- 2 third-party hosts: Google Analytics and Tag Manager
- 2 cookies set, none from third-party domains
- No ad frames and no asks to sign up, log in, chat or buy
- The whole first screen is three puzzle icons
From the test: A clean, free puzzle site with only Google Analytics and three big buttons to start.
| Ages it suits | about 8-14 (upper elementary through algebra), and older puzzle fans |
|---|---|
| What its terms say about age | No terms of use or age rule are posted on the puzzle site; anyone can play as a guest without an account. (terms) |
| Price | Free. Free (Oct 2026). |
| Works on | Web |
| Account | No account needed |
| Ads | None |
| In-app purchases | None |
| The AI in it | No AI. |
What's good
- Free, no ads, no sign-up needed
- Mobiles build real algebra thinking
- Kids can make puzzles, not just solve them
- Three puzzle styles at several levels
Watch for
- Made for larger screens; awkward on phones
- No privacy policy linked from the site
- Older site with little guidance for parents
- Optional accounts were recently paused for fixes, so saved progress may be lost
Data and privacy
Not stated: the puzzle site links to no privacy policy. Play works without an account; an optional log-in saves progress, and the pages load a Google tag (Google Analytics). Read the privacy policy.
Does it work?
Built by EDC with US National Science Foundation funding as part of its Transition to Algebra work; no independent study of the puzzles themselves was found.
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Where these facts come from
- https://solveme.edc.org/
- https://solveme.edc.org/mobiles/
- https://solveme.edc.org/whoami/
- https://solveme.edc.org/mysterygrid/
- https://solveme.edc.org/ipuzzle/login-guard.js
Prices, terms and features change. Nobody paid to be listed, nothing here is an affiliate link, and Peabody never rates itself. Where we and the maker disagree, the maker's own pages are the ones to trust.