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Sierra Math

Ten Calm Minutes. No Games, No Gimmicks.

Practice California K–5 math, one skill at a time.

Sierra Math gives kids friendly, auto-generated practice aligned to California math standards. Grade 3 is available now, with more grades on the way.

iOS first. California K–5 Math Practice. Ages 4+.

Sierra Math home screen showing a short daily streak and a badge close to unlocking.
Sierra Math parent overview showing questions answered, accuracy, streak, and skills needing practice.

Real Progress, Not Vanity Stats

A parent overview shows questions answered, accuracy, and streak at a glance, plus which California math skills still need practice. It is the payoff parents actually care about, front and center, with no setup required.

Sierra Math practice screen showing a multiple-choice question aligned to California math standards.

Real California Standards, Not Trivia

Every question is generated from California K–5 math standards, not a random trivia bank. Kids work through fresh, grade-level problems instead of memorizing a fixed set of questions.

Sierra Math feedback card showing the correct answer highlighted with a plain-language explanation.

Every Mistake Gets A Real Explanation

When an answer is wrong, Sierra Math shows the correct option and explains why in plain language, so a missed question turns into an actual learning moment instead of a dead end.

Sierra Math Grade 3 skill roadmap showing expanded and collapsed skill clusters with mastery status.

The Full Grade 3 Roadmap, Skill By Skill

Skills are organized into clusters that follow the California Grade 3 math standards, each with its own mastery status. It is a real curriculum map, not a handful of screens dressed up as one.

Sierra Math badge collection showing a mix of unlocked and locked animal badges.

Earned Badges, No Coins Or Shop

Kids unlock animal badges by practicing, not by spending. There is no in-app currency and no shop to manage, just a collectible badge case that grows with real effort.

Sierra Math badge-unlocked celebration screen shown right after finishing a practice session.

One Small Win A Day

Finishing a session can end with a badge-unlocked moment, a small, warm reward that keeps the daily practice habit going without turning the app into a game.

Sierra Math accuracy trend chart showing improvement over time alongside recent skill movement.

Accuracy Trends Over Time

An accuracy trend chart shows real progress across sessions, not just today's score, so parents can see growth building week over week.

Sierra Math practice screen highlighting no ads, no login, and full offline support.

No Ads, No Login, Works Offline

No accounts, no advertising, and no internet connection required. Practice works in the car, on a trip, or anywhere else, and learning progress stays on the device.

Frequently Asked Questions

Is Sierra Math free?

Sierra Math includes a free tier so kids can start practicing right away. An optional premium subscription, monthly or annual with a 14-day free trial, unlocks additional practice and features.

Does Sierra Math work offline?

Yes. Practice works fully offline, so kids can keep learning in the car, on a trip, or anywhere without a reliable internet connection.

Is Sierra Math aligned to California math standards?

Yes. Every practice question is generated from California K–5 math standards. Grade 3 is available now, with more grades on the way.

Does Sierra Math require an account or login?

No. There are no accounts, no logins, and no sign-up. Learning progress, badges, and settings stay on your device.

Is Sierra Math safe and private for kids?

Sierra Math is built to be COPPA-friendly. It collects no personal information from children and includes no ads, analytics, or tracking of any kind.

What grade levels does Sierra Math support?

Sierra Math currently supports Grade 3 math practice, with Grades K–2 and 4–5 planned as part of the full California K–5 rollout.