Math Builders plans
Plans for math fact fluency that lasts.
Start free with complete core practice, including multiplication and division through 12. Upgrade for combined and through-24 packs, additional learners or classes, full map detail, and expanded progress views.
The fluency map shows what is mastered, due, slow, and next.
Session summaries show what to practice next.
For families
Parent
Build a short daily practice habit, see what is sticking, and know exactly what your learner should practice next.
For Yearly and Monthly. Free stays free, with no card required. You pay nothing today. Turn it off to pay today and get 20% off your first year of annual. Monthly has no discount.
Free Parent Account
One child you add yourself, plus children connected through teacher-issued home cards, with all core packs.
$0
start free
See all free features
Adaptive spaced-repetition engine (Leitner + SM-2) decides what to practice next
Google or email sign-in
Six individual core packs: addition within 10 and 20, subtraction within 20, multiplication through 12, and division through 12
One child you add yourself; school-linked children connect free
Saved practice history and essential stats
A monthly fluency check for each child, with the headline result
Adaptive spaced-repetition engine (Leitner + SM-2) decides what to practice next
Google or email sign-in
Six individual core packs: addition within 10 and 20, subtraction within 20, multiplication through 12, and division through 12
One child you add yourself; school-linked children connect free
Saved practice history and essential stats
A monthly fluency check for each child, with the headline result
Yearly
The best fit for a full year of steady practice.
$99
per year
More children you add without a school card
Combined, all-four, and through-24 packs
Full fact-by-fact fluency map
All missed-fact detail and advanced progress views
Personalized weak-fact worksheets with answer keys
Printables Lab for individually tailored sheets for one or more learners
Full monthly fluency report: facts to practice next, a printable worksheet, and a PDF to share with the teacher
$0 today
$99 after your 7-day free trial, then $99 each year.
Cancel before your free trial ends and you pay nothing. Renews automatically; cancel anytime in Manage billing.Prices in USD.Monthly
Flexible premium for a family getting started.
$11.99
per month
More children you add without a school card
Combined, all-four, and through-24 packs
Full fact-by-fact fluency map
All missed-fact detail and advanced progress views
Personalized weak-fact worksheets with answer keys
Printables Lab for individually tailored sheets for one or more learners
Full monthly fluency report: facts to practice next, a printable worksheet, and a PDF to share with the teacher
$0 today
$11.99 after your 7-day free trial, then $11.99 each month.
Cancel before your free trial ends and you pay nothing. Renews automatically; cancel anytime in Manage billing.Prices in USD.Start small. Upgrade when the plan is obvious.
The free account lets each audience enter through the right setup. Premium is for unlocking the full decision view once learners are practicing regularly.
Free accounts start with Google or email and no credit card.
Free includes all six individual core packs—the complete fact foundation across all four operations—plus every pacing option and basic progress views.
Premium adds combined packs, more learners or classes, full map detail, and expanded progress views.
Parents, schools, and tutoring centers keep separate account paths.