The GSSM Outreach staff have curated a collection of free web resources for math classroom teachers, their students and students’ families. Many of the websites are arranged by subject area, grade level, or topic to help you find the particular resource you are searching for to create lesson plans or at-home activities.


ACT Academy
Grades K – 12. Online resource library organized by grade, subject, standard and textbook (includes videos, assessments, homework and lesson plans).  

Grades K – 12. Searchable lesson plans and resources for all content areas. Search by grade level, topic and content standard. 

Cartoons Time – YouTube Resources for Elementary Education
Grades K – 6. A channel of animated videos addressing math, science, social studies, and language arts topics for young students. Features diverse characters in videos ranging from 3 to 6 minutes.  

Grades K – 12. Searchable resources (flexbooks, adaptive practice, simulations, videos, PLEX, study guides, etc.). Free resources for students, parents, teachers, schools, and districts.   

Concord Consortium
Grades K – 12. Searchable curriculum units, activities, interactives, videos, and lessons.  

Grades K – 12. Math videos, worksheets, 5-a-day and other resources.  

Grades K – 12. Library of open teaching and learning resources, educator-vetted, openly licensed, online educational materials for use, reuse, adaptation, and sharing.  

Grades 6 – 8. DeltaMath allows teachers to assign math practice content to their students. The students get immediate feedback as they complete the problems

Grades K – 12. Some free searchable resources for teachers. Other resources may be available for a limited time period. 

Grades K – 12. An educators’ guide to open educational resources with information about online repositories, curriculum-sharing websites, and sources for lesson plans and activities.  

Engage NY
Grades K – 12. Each grade level module includes units, daily lesson plans, daily quizzes, tests, teacher materials, skills practice, and answer keys. A significant number of problem sets so that teachers can provide students with plenty of opportunities to practice and apply their knowledge.

Grades 6 – 12. A core academic web site that delivers multimedia content--videos, animations, and simulations--on general education subjects to teachers and their students.  

Illustrative Mathematics
Grades K – 12. A problem-based core curriculum designed to address content and practice standards. Students learn by doing math, solving problems in mathematical and real-world contexts, and constructing arguments using precise language. Teachers can shift their instruction and facilitate student learning with high-leverage routines to guide learners to understand and make connections between concepts and procedures.  

Khan Academy
Grades K - 12. Video learning segments are followed by practice activities. 

Grades K – 8. A website that provides teachers with a free library of interactive math lessons, videos, quizzes, and assignments for students.

Math Drills  
Grades 3 – 8. Includes over 57 thousand math worksheets that may be used to help students learn math. PDF math worksheets are available on a broad range of topics including number sense, arithmetic, pre-algebra, geometry, measurement, money concepts and much more. There are also a few interactive math features including the Sudoku and Dots math games, and the more serious math flash cards and unit converter.  

Grades 6 – 12. 144 real-world lessons from Mathalicious help middle and high school teachers address the Common Core Standards while challenging their students to think critically about the world. and also provide teachers with an opportunity to teach standards-based math through real-world topics that students care about.

Mathematics Assessment Project
Grades 6 – 12. This site has 100 lessons sorted by grade level with embedded formative assessment, some focused on developing math concepts, others on solving non-routine problems. There are also a set of 94 exemplar summative assessment tasks/activities that includes scoring rubrics and examples of scored student work.

Mensa for Kids
Grades 3 – 12. These lessons may be given to students for individual, self-guided work, or they may be taught in a classroom or homeschool setting. These plans are designed to enrich academic learning with extension for gifted children built in and include a variety of questions and extension opportunities.  

Grades 9 – 12. Tens of thousands of discipline-specific learning materials, learning exercises, and Content Builder webpages, together with associated comments, and bookmark collections, all intended to enhance the teaching experience of using a learning material.   

Grades K – 8. MobyMax includes 115 modules covering all grades and subjects between kindergarten and eighth grade. 

National Geographic Education  
Grades K – 12. Bring National Geographic resources into your classroom with Student Experiences, Classroom Resources, Professional Development and more.  

The New York Times: Science & Math
Grades 6 – 12. Current real-world resources for teaching science and math. The resources are organized in categories such as: Lesson of the day; Math; Guest Lesson; Science; What's Going on in this Graph?; Mentor Texts and others.

OER Commons
Grades K – 12. A public digital library of open educational resources that you may freely use and reuse at no cost, and without needing to ask permission. From a single point of access in OER Commons, you can search, browse, and evaluate resources in OER Commons' growing collection of over 50,000 high-quality OER. Here are some curated collections to start exploring: full university courses; interactive mini-lessons and simulations; adaptations of existing open work; open textbooks; and lesson plans, worksheets and activities.  

Open Middle
Grades PreK – 12. Leaves parts of an equation blank and asks students to fill them in to make it true. Open Middle problems encourage perseverance, game-like play, creativity, and support inquiry thinking.

PBS Learning Media: Mathematics
Grades PreK – 12. Bring math concepts to life through interactive games, animations and engaging media resources.  

Powers of Ten
Grades 6 – 12. Powers of Ten is a nine-minute video that takes us on an adventure in magnitudes.  Starting at a picnic by the lakeside in Chicago, this famous film transports us to the outer edges of the universe.  Every ten seconds we view the starting point from ten times farther out until our own galaxy is visible only as a speck of light among many others.  Returning to Earth with breathtaking speed, we move inward- into the hand of the sleeping picnicker- with ten times more magnification every ten seconds. Our journey ends inside a proton of a carbon atom within a DNA molecule in a white blood cell. 

Problems of the Week
Grades 7 – 12. Problems are searchable by title, grade band, or topic.

Grades K - 5. Many of the large printable colorful pages would be great for printing on cardstock and laminated for reuse: students could use dry erase markers and erase when finished.

Shmoop Math 
Grades 6 – 12. Textbooks, learning guides, online courses, college readiness prep, and test prep balance a teen-friendly, approachable style with academically rigorous materials. 

Grades K – 12. Math games and printable, auto generated math worksheets organized by grades and topics. 

Grades K – 8. Organized math and science resources (featuring short videos, quizzes, and educational songs).  

Grades K – 12. A digital library of STEM standards-aligned engineering curricula (units, lessons, activities, labs, challenges and informal learning “sprinkles”) for math and science educators.  

Grades K – 12. An online community for sharing instructional videos. It is a more educationally focused, safe venue for teachers, schools, and home learners. As well, it is a site where teachers can post videos designed for students to view in order to learn a concept or skill. 

Texas Instruments 
Grades 6 – 12. Texas Instruments has prepared a number of resources to support both teachers and students in remote learning. 

The Utah Middle School Math Project  
Grades 6 – 8. Middle school math resources including teacher, student and parent workbooks; PowerPoints for each lesson; plenty of additional practice problems for each lesson; answer keys for all lessons; and additional teacher resource materials. Email Maggie Cummings at for access to all teacher materials.  

Which One Doesn't Belong
Grades PreK – 12. Showcases four shapes, numbers, or graphs and asks students to describe which one doesn't belong, using math vocabulary.

Grades 1 – 5. A self-paced, web-based program, which starts a typical lesson with warm-up activities to engage students. As students work through the program, they complete timed arithmetic problems, watch instructional videos on new concepts, and solve practice problems.


Grades K – 12. Suite of math software tools, including graphing, scientific, four function, and matrix calculators; geometry tools; math classroom activities; a getting-to-know-you activity; and very useful starter screens.  

Grades K - 12. Dynamic mathematical software (geometry, algebra spreadsheets, graphing, statistics, and calculus in one easy package) free for students and teachers. Includes an authoring tool to create interactive learning resources as web pages. This open source software can typically be installed in less than 2 minutes.

Grades 1 – 12. Interactive, research-based math and science simulations that can be run online or downloaded to your computer. The simulations are extensively tested and evaluated to ensure educational effectiveness.  

Grades 3 – 12. Don't be misled by the simplicity of Shodor's webpage--this is a very popular set of interactive online materials (interactive models, simulations, and educational tools) for math and science education.

UEN K-2 Student Interactives
Grades K – 2. Interactives: Topics include numbers and operations; algebra; geometry; number games; and data and probability.  

UEN 3-6 Student Interactives 
Grades 3 – 6. Interactives: Topics include arithmetic, algebra, geometry, fractions, measurement, patterns, money, data and estimation.  

UEN 7-12 Student Interactives  
Grades 7 – 12. Interactives: Topics include numbers and operations; algebra; geometry; number games; and data and probability.  

Web 2.0 Calc provides users with several math tools. First, users can access a scientific calculator when loading the website or by clicking the “Home” button. Another tool is the Formulary that lets users input data into a formula, and the website will calculate the answer based on the given variables.


Grades K – 8. Multiplayer educational games - free math games and more for K-8 students. Arcademics combines the excitement of video games with educational content to aid learning through exciting, focused repetition that enables automaticity and fluency to be achieved quickly.

Math Games
Grades PreK – 8. Online math games for students. Tools are searchable by grade and skill and many games can be used to practice multiple skills.  

Math Playground
Grades K – 8.  A fun way to practice math facts. Since then, Math Playground includes a wide variety of math topics, from problem solving and mathematical art to real world math and thinking games. 

Grades K – 12. This website has many math games searchable by grade level or topic and also math stations, apps, tutorials, teaching tools, worksheets, and other learning materials.


Mathematics Blackline Masters Grades P to 9
Grades K – 9. Over 200 blackline masters including balances, bar graphs, cubes, decimal squares, dot paper, fraction circles, fraction strips, fraction pieces, geoboards, angles, polygons, nets, grids, mats, thermometers, number strips, protractors, rulers, multiplication charts, dominoes, number match cards, number cubes, number lines, pattern blocks, place value charts, tangrams, and many others. 

Didax Virtual Manipulatives  
Grades K – 8. Online virtual manipulatives including unifix cubes, ten frames, number lines, counters, base ten blocks, 120 number board, dice, pattern blocks, algebra tiles, and others. You can also embed these manipulatives in your own online learning platform.

Manipulatives for the Upper Elementary
Grades 4 – 6. These 7 math activities (geometric solids, base ten blocks, geoboard, color tiles, tangrams, pattern blocks, and blocks & cubes) are available in both HTML and pdf which is useful for printing these activities.

The Math Learning Center
Grades K – 5. Browser-based and downloadable manipulatives, lesson plans and additional resources. The manipulatives shareable using a code or link enabling students to share their thinking with their teacher and classmates.  

Grades 6 – 8. This well-organized site includes a large and varied collection of multimedia resources! Activities contains a large number of virtual manipulatives including Polypad (polygons, number and algebra tiles, fraction bars, Tangram, pentominoes, and much more).  

Grades K – 12. This site is well organized and has 57 virtual manipulatives and tools for teachers and students. Other resources include puzzles; lesson starters and drills; and question generators.  

National Library of Virtual Manipulatives
Grades K – 12. A library of interactive, web-based virtual manipulatives or concept tutorials, mostly in the form of Java applets, for mathematics instruction. The manipulatives and tutorials are easily searchable by grade level and topic. 


Grades PreK – 12. Discus – South Carolina’s Virtual Library is the “information place” for all South Carolinians. Discus, which stands for Digital Information for South Carolina Users, provides free access to an electronic library that’s available 24/7. Discus is a collection of subscription databases with an array of resources ranging from books and magazines to maps and videos. This collection of databases provides high-quality publications in an easy to navigate format for students and teachers alike. Discus allows students to safely search for up-to-date information without sifting through advertisements and non-educational results found in search engines such as Google. In-depth information about accessing Dicus is on the Discus website.

Encyclopedia Britannica
Grades K – 12. Online encyclopedia – this is the full-size encyclopedia—not an edited/reduced edition!  

Fact Monster
Grades K – 8. From the solar system to the world economy to educational games, Fact Monster has the info kids are seeking. The site is COPPA and kidSAFE-certified.  

Family-friendly Guides to South Carolina Academic Standards
Grades K – 8. The information on this site can help you become familiar with what your child is learning at school and it includes activities to reinforce and support your child's learning, selected book titles for additional reading, and Web site addresses for extended learning. Peruse the academic standards for each grade level by clicking on the corresponding icons at the top of this webpage.

Math Central
Grades 6 – 12. Math Central is an internet service for mathematics students and teachers maintained by faculty and students in Mathematics and Statistics and Mathematics Education at the University of Regina. This site offers free resources for math teachers and students, including a database where users can search for the answers to math questions, information about careers, profiles of mathematicians and other resources. 

Grades 6 – 12. A peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia provides in-depth scholarly treatment of topics within the field of science, including mathematics; and physical, biological, behavioral, and social sciences.