Curated Learning Directory

Mathematics

Mathematics – 34+ UNIQUE Free Educational Websites (Grades K–12)

Curated directory of premier mathematics websites, interactive graphing calculators, geometry software, competition math training, and practice resources for Grades K–12.

34 Verified Websites Grades K–12 Complete Coverage 100% Free Educational Resources
34+
Free Platforms

Educator Reviewed
Audience:
Showing 34 of 34 curated educational platforms
Curated for Students & Teachers
1

Khan Academy - Mathematics

Free Website Grades K–12 Top Recommended
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Remarks & Features:

Full mastery-based K-12 mathematics curriculum from early arithmetic and pre-algebra to multivariable calculus and linear algebra.

2

GeoGebra

Free Website Grades 3–12 Top Recommended
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Remarks & Features:

Free dynamic mathematics software for geometry, algebra, 3D graphing, spreadsheets, calculus, and statistics with interactive worksheets.

3

Desmos Graphing Calculator

Free Website Grades 6–12 Top Recommended
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Remarks & Features:

Powerful browser-based graphing calculator and interactive classroom math activities for visualizing functions, equations, and data sets.

4

Wolfram Alpha

Free Website Grades 8–12
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Remarks & Features:

Computational intelligence engine providing step-by-step solutions for algebra, calculus, geometry, matrix arithmetic, and equation solving.

5

Math is Fun

Free Website Grades K–10
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Remarks & Features:

Clear, simple explanations, illustrated examples, puzzles, and interactive tools covering all basic to intermediate math topics.

6

CK-12 Mathematics

Free Website Grades K–12
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Free digital flexbooks, adaptive math practice, interactive PLIX simulations, and real-world math applications.

7

Illustrative Mathematics

Free Website Grades K–12
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Problem-based core curriculum designed to encourage mathematical reasoning, discourse, and deep conceptual understanding.

8

Prodigy Math

Free Website Grades 1–8
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Remarks & Features:

Curriculum-aligned fantasy RPG math game where elementary and middle school students solve math challenges to progress in adventures.

Remarks & Features:

Adaptive problem-solving system providing challenging problems for advanced students preparing for math competitions (Olympiads, AMC).

Remarks & Features:

Enrichment material and mathematical thinking problems developed by Cambridge University for school students and teachers.

11

Corbettmaths

Free Website Grades 5–12
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Free 5-a-day daily practice worksheets, revision cards, step-by-step video tutorials, and exam-style questions for middle and high school math.

12

Math Playground

Free Website Grades 1–6
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Remarks & Features:

Hundreds of learning games, logic puzzles, word problem workshops, and math video lessons for elementary students.

13

Math-Drills

Free Website Grades K–12
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Over 58,000 free printable math worksheets covering arithmetic, fractions, decimals, algebra, geometry, and measurement with answer keys.

14

Mathigon / Polypad

Free Website Grades 4–12
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The "Textbook of the Future" with interactive virtual manipulatives, fractals, origami math, timeline of mathematics, and courses.

15

DeltaMath

Free Website Grades 6–12
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Remarks & Features:

Interactive math practice platform with infinite problem generation, step-by-step solutions, and teacher assignment tools.

16

Numberphile

Free Website Grades 6–12
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Remarks & Features:

Fascinating videos exploring the magic, beauty, and unsolved mysteries of numbers, prime conjectures, and mathematical proofs.

17

Math Antics

Free Website Grades 3–8
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Remarks & Features:

Clear, animated video tutorials explaining fundamental math concepts: long division, fractions, proportions, algebra, and geometry.

18

Paul's Online Math Notes

Free Website Grades 9–12
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Extensive lecture notes, practice problems, and cheat sheets for Algebra, Calculus I-III, and Differential Equations by Lamar University.

19

BetterExplained

Free Website Grades 8–12
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Remarks & Features:

Intuitive, visual guides that explain complex math concepts (Calculus, Bayes Theorem, Imaginary numbers) with clear mental analogies.

Remarks & Features:

Research-backed math tasks, visual ideas, and growth mindset resources founded by Stanford Professor Jo Boaler.

Remarks & Features:

Free courseware, problem of the week, and past math competition papers for Gauss, Pascal, Cayley, and Fermat contests.

22

Transum Mathematics

Free Website Grades 4–12
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Starter of the day, self-marking math exercises, puzzles, and interactive investigation tools for students and teachers.

Remarks & Features:

Direct, straightforward video solutions to thousands of specific problems in Algebra, Trigonometry, Calculus, and Statistics.

24

SplashLearn Math

Free Website Grades K–5
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Remarks & Features:

Engaging, gamified math learning program for elementary students featuring curriculum-aligned games and worksheets.

25

Math Salamanders

Free Website Grades K–6
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Comprehensive printable math worksheets, games, flashcards, and online math practice for elementary grades.

26

GregTangMath

Free Website Grades K–6
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Games and visual tools designed to develop number sense, mental arithmetic fluency, and structural math reasoning.

27

Mathway

Free Website Grades 6–12
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Instant problem-solving calculator for basic math, algebra, trigonometry, calculus, and linear equations.

28

Dad's Worksheets

Free Website Grades K–8
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Thousands of printable math worksheets, fraction calculators, Roman numeral converters, and step-by-step arithmetic charts.

29

Topmarks Math Games

Free Website Grades K–6
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Remarks & Features:

Interactive math games (Hit the Button, Daily 10) that build rapid mental arithmetic skills, times tables, and place value.

30

Coolmath4Kids

Free Website Grades K–6
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Math games, brain teasers, and visual manipulatives designed specifically for elementary school children.

31

Hooda Math

Free Website Grades K–12
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Free online math games, escape games, and logic puzzles categorized by grade level from kindergarten to high school.

32

OpenUp Resources Math

Free Website Grades 6–8
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Top-rated, openly licensed math curriculum fostering mathematical discourse and problem solving.

Remarks & Features:

Classic mathematical miscellany, geometry theorems, interactive Java/JS applets, and elegant mathematical proofs.

34

Zearn Math

Free Website Grades K–8
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Remarks & Features:

Top-rated digital math learning platform combining hands-on instruction with digital lessons for elementary and middle school.

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Syllabus Structure

Mathematics Study Topics

4 Modules
1
Algebra & Polynomials

Quadratic equations, polynomials, algebraic identities, and matrices.

2
Geometry & Trigonometry

Theorems, triangle congruence, circles, trigonometric identities.

3
Statistics & Probability

Mean, median, mode, standard deviation, and probability models.

4
Calculus & Functions

Limits, differentiation, integration, and real-world mathematical modeling.

Directory Overview
  • Subject: Mathematics
  • Total Websites: 34 Platforms
  • Target Levels: Grades K–12
  • Access Type: 100% Free Resources
  • Quality Status: Educator Verified
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