Math for Kids

Younger kids need fluency drilling plus conceptual play. Pair an "ed-game" (engagement) with a structured-practice tool (rigour). For graphing-calculator-grade tools see Math & STEM Tools; for older / homeschool curriculum see OER.

Default free picks

• ★ ★ Khan Academy Kids — free; pre-K-2; the single-most-recommended free early-childhood app. Ad-free; non-profit; covers literacy + numeracy + SEL.
• ★ ★ Khan Academy — free; pre-K through early college; mastery system; Khanmigo AI tutor paid (see AI tutors).
• ★ Prodigy Math — free + paid (Premium adds rewards); MMORPG-shaped math practice; massive in US K-8. Free version covers grade-aligned curriculum; paid is cosmetic / extra rewards.

Structured curriculum

• Beast Academy / AoPS (Art of Problem Solving) — paid; rigorous; gifted-flavoured grade 2-12; AoPS Online for older kids; the canonical "advanced math" curriculum in the US.
• Singapore Math — paid; the K-6 method imported from Singapore curriculum.
• Math Mammoth, Saxon Math, Math-U-See — paid; popular homeschool curricula.
• Reflex Math — paid; fact fluency.
• Xtramath — free + paid; basic-fact fluency drill (timed); the simplest possible practice tool.

Game-shaped math

• ★ DragonBox Algebra / Numbers / Big Numbers / Geometry — paid; Kahoot-owned; the canonical "math hidden in a game" series; ages 4-12 across the line.
• Mathigon (Polypad) — free; interactive virtual manipulatives + "Mathigon courses."
• Bedtime Math — free; daily problems.
• Mangahigh — paid; UK-flavoured.
• Splash Learn, IXL Math, i-Ready Math — paid; school-flavoured drilling.
• MobyMax — paid; adaptive K-8.

Manipulatives / visual

• Mathigon Polypad — free; virtual base-10 blocks, fraction circles, number lines.
• Geoboard / Number Pieces / Number Line / Pattern Shapes — free apps from Math Learning Center.
• Brilliant.org — paid + free trial; visual logic / math; older kids.

Reading / literacy adjacent (paired with math in primary)

• Epic! — paid + free for teachers; kids' ebook library.
• Raz-Kids / Reading A-Z — paid; levelled reading.
• Lalilo / Amira Learning / Reading Coach (Microsoft) — paid + free; AI-flavoured reading coaches.
• Bookshare — free; accessible ebooks for kids with print disabilities.
• Starfall — paid + free; pre-K reading classic.

Special-needs / dyslexia / dyscalculia

• Nessy — paid; dyslexia-friendly literacy / numeracy.
• TouchMath — paid; structured multisensory math.
• Numicon — paid; visual math tiles.

Print + screen hybrid

• DreamBox — paid; adaptive K-8 math; common in US districts.
• ST Math (MIND) — paid; visual / spatial math.
• Zearn — paid + free for teachers; K-8 curriculum.
• Eureka Math (Great Minds) — paid; print + digital.

Pick this if…

• Default pre-K/early elementary, free: Khan Academy Kids.
• K-8 mastery practice, free: Khan Academy + Prodigy free.
• Hidden-in-a-game introductory math: DragonBox.
• Gifted / homeschool advanced: Beast Academy / AoPS.
• Basic-fact fluency: Xtramath (free) or Reflex (paid).
• Manipulative play: Mathigon Polypad.
• District-deployed adaptive: DreamBox or i-Ready.