Websites & online learning
Curated websites & online learning resources within mathematics for curious kids and their grown-ups.
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63 resources · Websites & online learning
PhET Interactive Simulations
Free interactive science and math simulations from the University of Colorado Boulder, with activities for exploring ideas through play.
Wonderpip
A calm browser-based learning space with early maths, reading, science, art, music, stories, and puzzles.
PhET Interactive Simulations
Free research-based simulations for exploring physics, chemistry, biology, Earth science, and mathematics.
Khan Academy Kids
A free learning app with lessons in early literacy, math, and social-emotional skills.
Learning Adventures
Free, no-sign-up games and interactive storybooks for grades K-5 across math, science, English, history, and mixed skills.
3Blue1Brown
Animated mathematics explanations from Grant Sanderson, covering visual intuition, calculus, linear algebra, probability, and more.
GeoGebra
Free interactive math tools, activities, and lessons for exploring geometry, algebra, graphs, statistics, and more.
Kiddo.city
A free illustrated browser arcade with puzzles, coding, music, painting, and math games for young children.
Ranger Gamez
Free browser learning games for math, computer science, typing, and other school skills, with no ads or child accounts.
Math Learning Center Apps
Free visual math tools for fractions, geometry, number sense, time, money, patterns, and mathematical thinking.
Boopaboo
A free tap-and-play collection for ages 2–5 covering sounds, colors, shapes, counting, letters, and early patterns.
Spark & Anvil
A large free collection of browser learning apps, stories, books, and puzzles for children and teens ages 3–18.
BBC Super Movers
Curriculum-linked songs, movement videos, and active learning resources for children across maths, English, sport, and wellbeing.
Chrome Music Lab
Hands-on browser experiments that help children explore rhythm, melody, sound, drawing, and the connections between music, science, math, and art.
PBS LearningMedia
A free library of curriculum-aligned videos, interactives, lesson plans, and discussion prompts for teachers and learners from pre-K through high school.
Delrita Pryce Foundation
Free animated literacy and money-skills programs, printable activities, and a learning app for young children.
Family Math App
A free ad-free browser math app from PBS SoCal for children ages 3 and up, in English and Spanish.
games.family
Free browser games for young children, with simple puzzles, words, numbers, colors, and matching play.
Clickaroo
Open-and-play browser games for toddlers and young children covering letters, words, colors, numbers, shapes, memory, and puzzles.
CellieKids
Free educational videos, games, songs, activities, and printables for children ages 2-9.
MathsBot
Interactive mathematics tools, games, puzzles, and classroom activities for exploring number, algebra, geometry, and statistics.
Star Stuff Edu
A free browser coding game that builds sequencing, pattern, loop, and problem-solving skills.
Siyavula Open Textbooks
Free open textbooks and practice material for secondary mathematics, physical sciences, natural sciences, and related school subjects.
Prodigy Math
A curriculum-aligned math learning game for grades 1–8 with adaptive practice, a free core experience, and optional membership features.
Minecraft Education
A game-based learning platform with K–12 lesson libraries, coding, STEM, digital citizenship, and educator training.
YouCubed Resources Archive
The YouCubed resources archive organizes downloadable and online mathematics activities, lessons, tasks, and teaching materials for creative problem solving.
Illustrative Mathematics Resource Hub
A K–12 mathematics resource hub from Illustrative Mathematics with classroom tasks, lessons, curriculum materials, and teacher-facing guidance.
TechEd4Kids
Free interactive science and math experiments, games, and lessons designed for learners in grades 6-12.
LearnerKits
Free browser-based science simulations and virtual experiments for students in grades 6-12.
USGS Data in Schools
USGS Data in Schools helps educators use real Earth-science data, maps, and investigation questions to support classroom learning.
Early Family Math Games
Early Family Math’s game collection gives families playful ways to build number sense, spatial reasoning, measurement, and mathematical conversation at home.
Lumo
Lumo is an adaptive browser learning path for English, maths, and 11+ reasoning, with offline use, read-aloud support, and gentle practice for children.
Funbrain
A broad library of games, books, videos, and math activities organized for learners from pre-K through grade 8.
PrepOK
Free interactive science and math explorables that let learners change variables, observe results, and build understanding.
Willow Brain
Free interactive learning adventures for curious children across science, nature, geography, history, math, and logic.
MathHappens Open Play Kits
MathHappens open play kits give families, educators, and community programs hands-on materials and prompts for playful mathematical exploration.
Teach Your Monster Number Skills
Teach Your Monster Number Skills is a playful early-math game that helps children practise counting, number recognition, addition, subtraction, and other foundational skills.
Zearn Math
Zearn Math is a structured digital math program with lessons, visual models, practice, and teacher-supported pathways for elementary and middle-school learners.
PlatkyKutti
PlatkyKutti is a multilingual learning world for children with stories, language and grammar, math, maps, brain games, art, coding, and life-skills activities.
Kizupi
Kizupi is a reasoning-first math tutor that asks why, supports grades 1–6, and gives families short guided lessons with a calm, ad-free interface.
Tivumo
Tivumo is a visual mathematics app where children move representations to understand fractions, algebra, geometry, data, probability, and calculus.
MathPet
MathPet is an adaptive early-math game where children practice addition and subtraction by feeding, growing, and dressing a virtual pet.
English for Fun
English for Fun is a set of browser games for children learning first English through picture vocabulary, early sentences, letters, numbers, shapes, colours, and early maths.
What Is Pi? (Grades 5-8)
NASA’s grade 5-8 math explainer uses spacecraft, planets, parachutes, and fuel tanks to show how pi supports geometry, physics, engineering, and space exploration.
XtraMath
XtraMath is a short daily practice tool for building arithmetic fact fluency through focused, repeatable math practice for school-age learners.
Mathing
Mathing is a browser and app math game for children that covers counting, addition, subtraction, multiplication, and division through gentle practice and visual models.
ScienceKid
ScienceKid is a free supplementary STEM platform with real-world quizzes, adventure tracks, badges, and short interactive challenges across science, math, engineering, and technology.
Toy Theater
Free educational games and virtual tools for elementary learners across math, literacy, art, music, puzzles, and classroom play.
Mensa Foundation At-home Learning Resources for Kids
The Mensa Foundation’s children’s resource page links families to puzzles, learning ideas, and enrichment activities for curious young learners.
Visnos Mathematics
Visnos offers visual mathematics activities and a times-tables game that use models, function machines, and practice to connect understanding with fluency.
Cuemath Math Concept Explanations
Cuemath Math Concept Explanations is a free library of short videos covering school concepts, olympiad problems, puzzles, and real-world math applications.
Fun With Learning
Fun With Learning combines visual math games, science and comprehension activities, live-action video quests, story time, and short interactive sessions for young children.
MIMI Smart Kids
MIMI Smart Kids is an offline Android learning app with math, phonics, spelling, world facts, riddles, stories, and age-banded games.
LittleActivity Reading
Structured free reading lessons from preschool through Grade 10 with phonics, sight words, comprehension, fluency, and short progressive practice.
LoopDaLoop
LoopDaLoop is a community-funded collection of free coding and logic games for children from kindergarten through grade 8, with no accounts or tracking cookies.
STEMA Learning Centre
STEMA Learning Centre offers a progressive STEAM pathway from ScratchJr and first builds through Python, JavaScript, AI, robotics, drones, and 3D design.
Ultimate Coders
Ultimate Coders provides progressive coding, robotics, AI, and math programs from visual first projects through Python, web, app, and machine-learning pathways.
Kazumon
Kazumon is a short-session math RPG from OHLO where children solve arithmetic questions to battle monsters, unlock worlds, and practice daily.
StarKid
A playful early-learning app and website for ages 2-10 with reading, math, everyday skills, feelings, games, and printable worksheets.
Kvasi
Kvasi is a beta learning world that turns reading, maths, geography, biology, art, health, physics, chemistry, and philosophy into themed realms.
Kids Math Lab
Kids Math Lab provides playful practice in counting, addition, subtraction, multiplication, and division across browser and mobile platforms.
BrightSteps Kids
BrightSteps Kids offers short adaptive math and English practice with teacher-designed skills, voice support, rewards, and a parent progress view.
Struggly
Struggly is a gamified online mathematics supplement that uses playful puzzles and standards-aligned practice to help students work through arithmetic, fractions, algebraic thinking, and reasoning.