Learn, play, and grow with Bayhaqy Kids
A bilingual (English & Indonesian) learning platform with interactive lessons, simulations, and games across 8 subjects. Matched to Indonesia's Kurikulum Merdeka phases A-D, inspired by Singapore Math and Cambridge Primary. 100% free, 100% kid-safe, runs entirely in your browser.
- 8Subjects
- 72Lessons
- A–DCurricula
- 2Languages
- K–9Grade range
- 0Sign-ups
Explore by subject
Pick a subject and dive in. Every lesson is bilingual and adapts to your grade level.
Math
Counting, arithmetic, fractions, geometry, algebra — from counting to algebra, built up step by step.
Language
Reading, writing, grammar, vocabulary in English and Bahasa Indonesia.
Science
Biology, physics, chemistry, earth science — explore the natural world.
Tech
Computers, coding, the internet, digital citizenship — understand the tools of tomorrow.
History
Indonesia, the world, key events and figures — see how the present was shaped.
Art & Music
Colors, drawing, music, rhythm — express creativity through art and sound.
Geography
Continents, oceans, mountains, maps — discover planet Earth.
Social Studies
Family, community, country, world — understand people and society.
Games
Practice what you learned through fun, interactive games.
Made for every age
Content adapts across four grade bands — pick what fits your learner.
Kindergarten
Pre-reading, counting, colors, shapes, first words.
Grades 1–3
Early reading, addition, subtraction, science basics.
Grades 4–6
Fractions, essays, lab science, history stories.
Grades 7–9
Algebra, essays, lab science, coding, civics.
Matched to Kurikulum Merdeka
Every lesson carries a phase badge so you always know where it fits in the Indonesian curriculum (TK to Grade 9).
Fase A · TK–Grade 2
Counting to 20, phonics, shapes, comparing numbers, senses, living things.
Fase B · Grades 3–4
Multiplication and division, fractions, reading fluency, ecosystems, Indonesian history.
Fase C · Grades 5–6
Decimals and percentages, essays, lab science, world history, geometry.
Fase D · Grades 7–9
Algebra, coding, civics, research skills, structured writing.
Why kids (and parents) love it
Every lesson is built with kid-friendly design, gradual difficulty, and immediate feedback.
100% Safe
No ads, no sign-ups, no tracking, no chat. Everything runs in your browser — nothing leaves the device.
Bilingual
Toggle between English and Bahasa Indonesia anytime. Same lesson, two languages, with natural text-to-speech in each.
Natural voice
Every lesson can be read aloud in a natural-sounding English or Indonesian voice — perfect for early readers.
Grade-aware
From Kindergarten counting to Grade 9 algebra — pick your level and the content adapts.
Interactive
Drag, draw, type, click — every lesson invites kids to DO, not just read. Simulations make abstract ideas visible.
Self-paced
No timers, no pressure. Kids learn at their own speed, retry as much as they want, and celebrate every win.
For parents & teachers
- No accounts, no data collection — kids just open the page and learn.
- Works on any device with a browser — phone, tablet, laptop, Chromebook.
- Natural text-to-speech in both English and Indonesian — supports early readers and language learners.
- Matches Kurikulum Merdeka phases A-D (TK to Grade 9); inspired by Singapore Math and Cambridge Primary. Built on learning science: short lessons, immediate feedback, easy revisits.
- Installable as an app (PWA) — add to home screen for full-screen offline use.
- Open source — every lesson's code is on GitHub for transparency and contribution.
- Built by Achmad Bayhaqy — IT leader, parent, and education advocate.