why skiliograph?

Skill in, skill out. Watch it grow.

A little practice goes in each day. Real ability comes out. And every worksheet leaves a record of how far your child has come.

About Skiliograph

Browse free worksheets

skil

skill, kept short

+

io

in & out

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graph

written & charted

algebra growth path

From pre-algebra to Algebra 2, one step at a time.

Five stages for ages 10 to 17. Quizzes mark themselves, every question comes with a worked solution, and your child sees exactly what to practice next.

Explore the growth path

Browse free worksheets

Worksheets, pencils, a small clock and a mug on a sunny kitchen table

play & learn

Screen time that counts.

Short, cheerful math and reading games. Stars for first-try answers, no accounts, nothing sent anywhere.

Play a learning game

A small child’s hand tapping a colorful tablet screen

play & learn

Short, cheerful games for screen time that counts, from clocks and fractions to rhymes and sentences. Stars are saved on your own device only: no accounts, nothing sent anywhere.

Math games

Numbers, times tables, time and fractions.

✨ Game of the day

More or Less?Ages 5–9Count, compare and put numbers in order.Play now →

See all 6 math games →

Reading games

Spelling, punctuation, rhymes and sentences.

✨ Game of the day

Spelling Flash CardsAges 5–12Pick the right spelling: sounds, tricky words and endings.Play now →

See all 4 reading games →

Science games

Ecosystems, the human body, weather and more, from the Science Discovery Path.

✨ Game of the day

Body CityAges 9–12Build seven body systems and see how they work as a team.Play now →

See all 3 science games →

algebra growth path

Stages 1 to 4 available now

From pre-algebra to Algebra 2, one steady step at a time.

Five stages for ages 10 to 17, built on one simple habit: a little practice every day until each skill feels easy. Quizzes mark themselves and show exactly what to practice next.

✓ Practice any skill, any time ✓ Online or on paper ✓ US and UK versions

Explore the growth path

Start learning

Stage 1Pre-Algebra FoundationsAges 10–12Available now
Stage 2Pre-AlgebraAges 12–13Available now
Stage 3Advanced Pre-AlgebraAges 13–14Available now
Stage 4Algebra 1Ages 13–15Available now
Stage 5Algebra 2Ages 15–17Coming soon

ready for precalculus ↗

science discovery path

Grades 4 to 6 · Stop 1 of every app is free

Eleven science apps, three strands, one path.

Food webs, body systems, clouds, circuits and more. Children choose which app to master, earn a badge for each one, and work toward a badge for every strand.

✓ Any app, any order ✓ Explanations after every answer ✓ Expert questions for older kids

Explore the science path

Life ScienceEcosystems · the human body · plants · traits and adaptations
Earth & SpaceWater cycle and weather · rocks and the land · the solar system
Physical ScienceMatter · forces and gravity · energy and electricity · light and sound

master them all: Science Prodigy ✦