Free Math in English & Filipino
Algebra, Calculus, Statistics, Trigonometry — clear, free, and bilingual.
Algebra, Calculus, Statistics, Trigonometry — malinaw, libreng access, at dalawang wika.
Labanan ang agwat — libre, para sa lahat.
Math explained in the language you think in
When math gets hard, language should never be the barrier. Numberbender delivers every lesson and worksheet in both English and Filipino — so you can switch to the language where the concept clicks.
English
Full video lessons, step-by-step worksheets, and answer keys in English — aligned with US and international curriculum standards.
Filipino (Tagalog)
Full explanations in Filipino — para maintindihan mo talaga ang math, hindi lang memorize. Built by a Filipino math professor.
Every subject. Both languages. Always free.
Hindi ka mahina sa Math — kailangan mo lang ng tamang gabay.
Buong Filipino series ni Dr. E para sa mga natatakot o nahihirapan sa Math. Mula sa tamang mindset hanggang sa actual na topics — explained sa paraan na maiintindihan mo. Libre lahat ‘to. (33 videos)
Gusto mo ng mas structured na lessons? Check mo lahat ng subjects →
Built for Filipino learners everywhere
Students in the Philippines
Senior High STEM track — Calculus, Statistics, and Trigonometry — explained clearly in English and Filipino.
OFW Families in the Gulf
Filipino students in Dubai, Riyadh, Doha, and Kuwait — access the same quality math resources as any US student.
Filipino Canadians
Transitioning to Canadian college-level math? Numberbender bridges the gap with clear bilingual explanations.
Filipino Americans
Community college students in California and beyond — built right here by a California math professor.
Filipino Teachers
Free resources to assign, print, and share. CC BY 4.0 — use and adapt freely in your classroom.
Filipino Students Worldwide
Singapore, Australia, UK, Japan — wherever Filipinos study, Numberbender is free and available 24/7.
Recognized by leading OER institutions
Numberbender's content is freely available, openly licensed, and listed on major OER platforms trusted by educators and institutions worldwide.
Dr. Peter Esperanza — Math Professor & Online Educator
Dr. E is a community college math professor, published researcher, online educator, content creator, and conference presenter. He founded Numberbender on a simple belief: that democratizing education means making great math instruction free, accessible, and available to anyone — student or teacher, anywhere in the world.
Through social media, he has reached hundreds of thousands of learners and shared best practices in online teaching, flipped learning, AI integration, and educational technology.
Learn more about Dr. E →Ready to bend the math?
Free worksheets, free videos, free forever.
Libreng access ang lahat — para sa lahat ng gustong matuto.
Labanan ang agwat.