Mathematics Community Portal

Welcome !

Add to the Collection

MERLOT Mathematics

Welcome to the Mathematics Community Portal!

Browse the Collection

Take a look at some of the most recently reviewed materials in Mathematics

Add to the Collection

Contribute an online learning material to the MERLOT repository

Become a Peer Reviewer

Join us in identifying some of the best Open Educational Resources available online

Welcome – From the Editor

Welcome to the Mathematics Portal. Here you will find some of the best mathematics resources hosted on the Internet. We hope you find what you are looking for as you browse through the wealth of resources that will supplement your mathematics teaching and learning. The mathematics editorial board uses the same form for peer reviewing as is used for faculty development.

Showcase

Open Omnia - Mathematics Solver with Steps

Solve mathematical problems with Open Omnia. Enter a problem and get a step-by-step solution.

New Materials

GED Math Practice Test with Answers — BooknBoost
A free, independent GED-style maths practice resource for adult learners and their tutors. It offers timed practice,...
Interpretaciones de la derivada
Recurso interactivo sobre la interpretación geométrica (pendiente de la recta tangente) y la interpretación física...
Printable Graph Paper, True to Scale | testpagelab
Free graph paper generator that prints at exact size: square, dot and isometric grids with spacing in inches or...
Fabric Measurement Guide: Stretch, Recovery and Care
A standalone English tutorial on recording fabric measurements and interpreting percentage calculations. The lesson...
QuickGradeCalc — Free Grading Calculators for Teachers
Turn any test score into a percentage and letter grade â works with questions or points, with a printable grading chart...
SAT Desmos Reference Sheet
A free two-page printable reference sheet for SAT Math preparation with Desmos. The sheet gives a four-step calculator...
SAT Desmos Worksheet
A free 12-question worksheet for practicing graphing-calculator methods used in SAT Math. Students use Desmos or another...
SAT Circles Worksheet
A free 12-question SAT Math worksheet on circles for high school students. Students practice circumference, area, radius...
Printable SAT Worksheets with Answer Keys — 1600.now
A collection of 32 free printable SAT worksheets for high school students. The worksheets cover SAT Math and Reading and...
Percentage calculations: interactive calculator and worked examples
French-language interactive percentage calculator with worked examples for part-to-whole ratios, increases, reductions...
Multiplication & Times Tables Games
A free collection of browser games for learning the times tables, ordered from multiple-choice practice (grades 2–3) to...
Percentage Calculator: Percentage of a Base Amount
An interactive tool for calculating a percentage of a base amount. Learners enter an amount and a percentage rate, then...
TI-84 Calculator Online
Try our free TI-84, TI-30XS, and advanced graphing calculators online. Solve math problems, plot functions, and calculate...
One Math Book 5: University Mathematics - Year 3
The third university year of One Math Book, a free, coherent mathematics course from grade 1 to the end of a bachelor's...
Einstein Presentation | Genially
Resursa este o lecție interactivă realizată în Genially, destinată învățării de la zero a noțiunilor referitoare la...
Mathematics for Physics - Free Graduate-Level Course
The mathematical methods a theoretical physics course assumes and rarely teaches: tensor calculus, differential geometry,...
Orders of Magnitude – Free Classroom Activity
A free classroom activity for exploring orders of magnitude, powers of ten and scientific notation through real-world...
Culture-Connected Calculus: A Self-Study Guide with Indonesian Cultural Starting Points
This open self-study guide introduces undergraduate calculus through Indonesian cultural contexts. It covers limits,...
Swarm and Multi-Agent Robotics: Graph Laplacian Consensus, Formation Control, and Decentralized Learning
This university-level open learning module provides a rigorous mathematical and algorithmic foundation in Swarm and...
Understanding Size & Scale
Understanding Size & Scale is a free interactive learning activity for students aged approximately 10–16. Students...
Documented Misconceptions in LGS Mathematics — Teacher Sheets 01–02: Factors/Common Divisors and Exponents
Two Turkish teacher-facing worksheets from Türkiye's LGS mathematics context. Sheet 01 presents bounded research records,...
Analysis of English-Indonesian Text Translation Errors Among Sixth-Semester Mathematics Education Students | Bulletin of Language and Literature Studies
Translation is a complex process of transferring meaning from a source language to a target language, requiring not only...
Mathematical Linguistics: An Approach to Improve Non-Routine Mathematical Problem-Solving Ability | Bulletin of Language and Literature Studies
The literacy ability of Indonesian students is in the low category. The majority of Indonesian students have not been...
The Effectiveness of Using GeoGebra Application with Problem-Based Learning Model on Students’ Mathematical Communication Ability
Mathematical communication ability refers to the capacity to express mathematical ideas or concepts using mathematical...

New Members

cổng game win79
win79nvip
Luke Finigan
1600.now
Humaira Afia Anam
North South University
Faisal Saim
other
Teodora Manda
Colegiul National Militar "Tudor Vladimirescu"
Dresden Goehner
1
Matt Van Blaricom
Iron County Adult Education
Maxwell Cole
Sticky Pig Studios
James Din
California Institute of Technology
Muhammed Erin
Lemma Akademi
Mike Hetherington
Retired
Dragan Mitrovic
Learn-Fractions.com
Khadija KITANE
Ministry of National Education, Preschool and Sports
Ifunanya Uzozie
Sophylindy
Gail DeBusk
Jo Byrns High School
Spot Math
Spot The Math
Anubhav Swaroop
Brainfuse
Yue ZiYun
VReaLab
Rambharat Singh
Monkza
Maths Genie
British Council
Peter Abugre
AAMUSTED
Waqas Ashfaq
Usman Public School
Blonde Rocket Scientist
Blonde Rocket Scientist LLC
Allan Gilhooley
AG Education

Materials by Discipline

Professional Organizations

Journals & Publications

Mathematics on the Web

OpenAI Cracked Three 'Impossible' Math Barriers. The Cracks Are Almost Invisible. | FYI
Oct 11, 2026 09:58 AM PDT
3x3 Matrix Multiplication Manipulative - YouTube
Oct 11, 2026 09:04 AM PDT
GPT-6 Astra and the future of BIM modelling - AEC Magazine
Oct 11, 2026 08:15 AM PDT
Solve This Trigonometry Question in Seconds! | SSC Maths | DMC #120 - YouTube
Oct 11, 2026 07:09 AM PDT
Shahar Nevo's double life as Bar-Ilan math professor accused of plotting massacre
Oct 11, 2026 02:41 AM PDT
Current Sheet Geometry and Heavy Ion Influence on Reconnection - AGU Journals - Wiley
Oct 10, 2026 02:00 PM PDT
Attach PDF in Open CAD Studio - YouTube
Oct 10, 2026 10:00 AM PDT