XtraMath

by XtraMath (501(c)(3) nonprofit) (website )

A focused, distraction-free math fact fluency program using adaptive drills to help K-8 students achieve automaticity in addition, subtraction, multiplication, and division.

Best Fit For

Families looking for a low-cost, distraction-free supplement to build arithmetic speed; students who thrive on beating their own best times; parents who want a "set-it-and-forget-it" tool for daily math fact maintenance.

Students with high math anxiety or processing speed delays who may be discouraged by the timed answers; families seeking a full math curriculum (this is supplemental only); students who require heavy gamification or rewards to remain engaged.

What Reviewers Say

Reviewers consistently describe XtraMath as a "digital evolution of flashcards" that prioritizes efficiency over entertainment. Mashable praises the program's algorithm for pinpointing which facts a student still needs to practice, using a timed response window (6 seconds by default) that pushes recall rather than manual calculation.

How It Works

A typical XtraMath routine takes about 10 minutes per day and requires zero preparation from the parent. The student signs in through a web browser and is greeted by a "teacher" avatar who introduces the day's session. The child then completes a short progress quiz and two practice activities of "intelligent flashcard" drills, typing the answer to each math fact within a time limit that is 6 seconds by default; an adaptive algorithm identifies which facts the student knows and which they struggle with, prioritizing the latter. Once the session is complete, the student is logged off, and the parent automatically receives a progress report via email showing the child's mastery levels and "fluency score." For families on the Family Pro plan, parents can also print math and STEM activity sheets to reinforce the digital drills with hands-on practice.

Switching to This?

New students start with a Placement Quiz, which takes 2-3 days and sets a baseline fluency score for tracking progress. Families can start at any point in the year as a supplement to their core math curriculum. When switching from a game-based program like Reflex Math, parents should prepare students for a more "business-like" interface that lacks animations and rewards.

Curriculum Details

Price
$0 - $6/year

The core program is free on the Standard plan. Family Pro costs $6 per year with 3 children included and $2 per year for each additional child, and adds custom programs, printable activities and priority support. Teacher Pro is $79 per teacher per year; School Pro is $2 per student per year with a 125-student minimum.

Grades
K - 8
Available As
Digital Print Internet required
Coverage
Supplement
Subjects
Math

Pacing
Self-paced
Parent Time
0-10 min/day
Student Independence
Fully independent

Academic Level
Grade level
Worldview
Neutral
Teach Multiple Ages
Yes

Parent Role:

The parent acts as a monitor, setting up the initial student profile and reviewing automated progress reports to ensure the child is completing their daily "vitamin" of math drills.

Videos

PRACTICE MATH FACTS ONLINE FOR FREE - Favorite Homeschool Resources - XTramath.org

by Homeschool & Hustle

Reviews We Consulted

Considers the program a smart digital evolution of flashcards that uses algorithms to optimize practice and ensure students achieve automaticity in basic arithmetic.

"Similar in concept to timed tests or flash cards, XtraMath is a convenient way to practice basic skills so that a student can do them automatically."

Updated: July 2026 by Claude (v2 research)

How This Compares

Reflex Math: Reflex Math is highly gamified with rewards and avatars, whereas XtraMath is a minimalist, distraction-free drill tool. - Saxon Math: Many families use XtraMath to replace the physical timed drill sheets found in Saxon Math for a more automated experience. - Beast Academy: While Beast Academy focuses on deep conceptual understanding and complex problem-solving, XtraMath provides the rote fluency drills necessary to make those complex problems easier to solve. - 99math: 99math focuses on social, competitive classroom-style games, while XtraMath is designed for individual, self-paced mastery.

Getting Started

Try It Free

Access the free basic version for families · home.xtramath.org

XtraMath is a non-profit organization that provides a comprehensive free version of their math fact fluency program for home use.

See What It Looks Like

Family program overview and workflow · home.xtramath.org

This guide explains the student experience, including the daily 10-minute practice sessions and how the program adapts to individual learner needs.

Curriculum goals and mastery thresholds · home.xtramath.org

This resource explains the program's pedagogical focus on transitioning students from counting to automatic recall using specific speed thresholds.

Purchase

Family Pro pricing · home.xtramath.org

While the base program is free, the Family Pro plan adds custom programs, printable activities, and priority support.

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