Math Tools
30 websites every math teacher should know and use
1. Desmos
Desmos is a powerful online graphing calculator used widely in middle and high school math. It allows students to explore functions, graph equations, and visualize concepts interactively. Teachers can create or assign self-checking activities using Desmos Classroom. The platform includes interactive lessons that promote discovery-based learning. It’s free and works on any device.
2. Khan Academy
Khan Academy provides free video lessons and practice problems across a wide range of math topics. The platform adapts to each student’s level, providing personalized practice. Teachers can assign skills, track progress, and access detailed reports. The videos clearly break down math concepts step-by-step. The site also includes SAT prep and mastery-based learning tools.
3. IXL
IXL is a comprehensive math practice website covering K–12 standards. Students answer adaptive practice questions that adjust to their mastery level. Teachers get real-time analytics and diagnostic information. The site is aligned with state standards to help teachers plan instruction. Though it requires a subscription, it offers deep skills practice.
4. GeoGebra
GeoGebra offers interactive geometry, algebra, calculus, and statistics tools. Students can model shapes, transformations, graphs, and more. Teachers can create custom tasks or use a huge library of ready-made activities. The platform is strong for visualizing complex math ideas. It helps students learn by exploring and experimenting.
5. DeltaMath
DeltaMath provides auto-graded math practice assignments for middle and high school students. Teachers can assign specific skills, including algebra, geometry, and calculus topics. Students get immediate feedback on answers and built-in help videos for many skills. The platform tracks student accuracy and time spent. It’s widely used for homework, warm-ups, and remediation.
6. Prodigy
Prodigy is a game-based math platform for grades 1–8. Students explore a fantasy world while practicing math skills aligned to curriculum standards. Teachers can assign topics and monitor progress. The game format keeps students highly engaged. It is free with optional paid upgrades.
7. EdPuzzle
EdPuzzle lets teachers turn any video into an interactive math lesson. Teachers can add questions, notes, and audio to support comprehension. Students must watch the video and respond to questions as they go. The platform provides detailed analytics on student responses. It works well for flipped classrooms or independent learning.
8. Mathway
Mathway is an online problem solver covering algebra through calculus. Students can type or take a photo of any math problem. The tool shows solutions and step-by-step explanations. Teachers can use it to demonstrate concepts or verify work. It’s also helpful for students who need extra support outside class.
9. Brilliant.org
Brilliant offers problem-solving courses in logic, algebra, geometry, and data science. Lessons are inquiry-based, requiring students to think through concepts step-by-step. The site focuses on real reasoning rather than memorization. Teachers can use it for advanced learners or enrichment. It’s particularly strong for challenge problems and STEM connections.
10. MathIsFun
MathIsFun explains math concepts in simple language with visuals. Topics range from basic arithmetic to advanced algebra and geometry. Each page includes examples, interactive tools, and practice questions. Teachers can use it for remediation or to introduce new concepts. The explanations are student-friendly and approachable.
11. Purplemath
Purplemath offers free algebra tutorials designed to help struggling students. Lessons are written in an easy-to-understand style. The site covers pre-algebra through Algebra 2. Teachers can use it for independent practice or reference materials. It also includes worksheets and study tips.
12. CK-12
CK-12 provides free digital math textbooks, practice problems, and interactive simulations. Teachers can customize “FlexBooks” for their own classroom needs. Students can learn through videos, readings, and adaptive practice. The platform covers grades K–12. It's a strong alternative to traditional textbooks.
13. Coolmath Games
Coolmath Games offers logic and puzzle games that reinforce mathematical thinking. While not a direct curriculum tool, it builds problem-solving and reasoning skills. Students enjoy the engaging, colorful games. Teachers use it for early finishers or brain breaks. It promotes strategic thinking in a fun way.
14. Illustrative Mathematics
Illustrative Mathematics provides high-quality, standards-based tasks and full curriculum resources. Each lesson focuses on deep conceptual understanding. Teachers can download tasks, problem sets, and teacher guides for free. It encourages mathematical discussion and reasoning. Many schools use it as a core curriculum.
15. NCTM Illuminations
Illuminations is created by the National Council of Teachers of Mathematics. It includes interactive lessons, activities, and games. Teachers can search by grade level and content area. The tasks are aligned with NCTM standards. It’s a trusted resource for quality math lessons.
16. Math Antics
Math Antics provides free, entertaining math videos. The two instructors explain concepts using humor and clean visuals. Videos cover arithmetic, fractions, algebra, and more. Teachers use them for introductions or review. The content is extremely approachable for all levels.
17. Quizizz
Quizizz is an interactive quiz and game platform. Teachers can assign live games or homework. Students compete while answering math questions at their own pace. The site includes a huge library of math quizzes. Reports show which skills students need to work on.
18. Boddle Learning
Boddle is a 3D game-based learning platform for math practice. Students collect items and complete challenges by answering math questions. Teachers can assign standards-based skills. The game is highly engaging for younger students. It's free with optional premium features.
19. PhET Simulations
PhET offers interactive math and science simulations created by the University of Colorado Boulder. Students can explore slopes, functions, ratios, geometry, and more. The simulations help students visualize abstract mathematical ideas. Teachers can incorporate them into explorations or inquiry lessons. The site is free and research-based.
20. Tutor.com
Tutor.com provides on-demand tutoring support for students. Many schools provide accounts for homework help. Students connect with certified math tutors for step-by-step guidance. Teachers can use it as supplemental support. It helps struggling students gain confidence.
21. Math Playground
Math Playground includes games, logic puzzles, word problems, and videos. It covers topics from basic math to pre-algebra. Students enjoy the colorful interface and interactive puzzles. Teachers can use it for centers, practice, or reinforcement. It supports reasoning and fluency.
22. Wolfram Alpha
Wolfram Alpha is a computational engine that solves complex math problems. It can graph functions, evaluate expressions, and show step-by-step solutions. Teachers use it for demonstration and verification. Students can explore advanced mathematics with precision. It’s powerful for algebra, calculus, and statistics.
23. EdHelper
EdHelper provides printable math worksheets, puzzles, and problem sets. Teachers can quickly generate differentiated practice materials. The site covers all grade levels. Many worksheets include real-world applications. It’s useful for test prep or extra practice.
24. CommonLit
CommonLit is a reading platform, but it includes math-themed informational texts. These passages help students build literacy skills within math contexts. Teachers can assign readings about mathematicians, data, or real-world math applications. Students answer comprehension questions tied to standards. It helps strengthen math literacy.
25. Nearpod
Nearpod allows teachers to create interactive math lessons. Students participate using codes on their devices. Teachers can add quizzes, polls, videos, and drawing slides. The real-time feedback helps teachers adjust instruction. It’s great for engagement and formative assessment.
26. SplashLearn
SplashLearn offers game-based math lessons for grades K–5. Students practice with colorful, interactive activities. Teachers can assign skills and track progress. The platform reinforces number sense and fluency. It’s ideal for younger learners.
27. Algebra Nation
Algebra Nation is a platform focused on Algebra 1 and 2 instruction. It includes videos, practice tests, and step-by-step explanations. Teachers can track progress and assign resources. Students can also collaborate in a moderated “Wall” discussion area. It’s especially useful for test prep.
28. Open Middle
Open Middle offers math problems that have a fixed beginning and end but many solution paths. These tasks encourage deep thinking and creative problem-solving. Teachers can filter problems by grade level and domain. The problems are great for warm-ups or rich tasks. They help students explore multiple strategies.
29. Teacher Desmos Bank (Teacher Made Activities)
This is a collection of teacher-created Desmos lessons shared publicly. Teachers can browse hundreds of activities covering every secondary math topic. Each lesson is interactive and student-driven. Teachers can adapt or remix them for their own classes. It saves a huge amount of prep time.
30. We Are Teachers – Math Resources
We Are Teachers posts ready-to-use math worksheets, activities, and teaching ideas. The site includes articles on teaching strategies and classroom management. Teachers can find bulletin board ideas, projects, and math games. It’s a strong general resource for inspiration. The content is fresh and updated regularly.
FAQs
Who is this for?
This list is perfect for math teachers looking for helpful online tools.
How are sites chosen?
Each site was selected based on usefulness for both classroom teaching and student learning.
What benefits do students get?
Students gain interactive practice, clear explanations, and engaging activities that make math concepts easier to grasp.
Are these sites free?
Most sites offer free resources, though some may have premium options.
Can teachers use these easily?
Yes, the sites are user-friendly and designed to fit into lesson plans smoothly.
How is the list organized?
The list is arranged in two columns, with each site explained clearly to highlight its benefits for teachers and students.
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