How It Works

How Lumastery teaches your child

For math, every concept has a structured lesson that teaches it — with stories, guided examples, and hands-on activities. After each lesson, the adaptive engine gives practice at exactly the right level. For reading, 157 structured lessons teach your child to read while the engine reinforces every skill. Science brings hands-on experiments. One system powers it all — placement to mastery, Pre-K through 8th grade.

It starts with one assessment

Five minutes to find their actual level

When your child first starts, a short adaptive placement asks 2–3 questions per skill. Get two right in a row and the system skips ahead. Struggle on a skill and it steps back to find the boundary. Within minutes and about 20–30 questions, it maps exactly what your child knows and what they're ready to learn.

Your 8-year-old might place at 2nd-grade multiplication and 4th-grade geometry. That's not a problem — that's the starting point. This assessment happens once. From there, the system takes over.

One-time placement

Addition Within 5

3 + 2 = 5 ✓4 + 1 = 5 ✓

Passed (2/2) — skip ahead

↓ skipped Addition Within 10

Addition Within 20

14 + 9 ✓17 + 8 ✗12 + 6 ✓

Passed (2/3) — advance

Addition Within 100

47 + 36 ✗52 + 29 ✗

Not passed — step back

↑ back to untested skill

Addition Within 10

6 + 4 ✓8 + 7 ✓

Passed (2/2)

Start here: Addition Within 100

Highest passed skill — 11 questions, 4 skills tested

Every day after that

15–20 minutes a day, together

Once the placement is done, sit with your child for about 15–20 minutes each day. A structured lesson teaches the concept with a story and guided examples. Then the adaptive engine gives practice at exactly the right difficulty. The lesson teaches. The engine makes it stick. You get to watch them learn.

Lesson first, then practice

For math, your child starts each concept with a structured lesson — a read-aloud story that introduces the idea, walks through guided examples, and checks understanding with a short quiz. Every skill from counting to algebra has its own lesson. After finishing a lesson, your child moves straight into adaptive practice on that same skill.

The adaptive engine adjusts difficulty based on how your child responds. Struggling? It steps back and reinforces the foundation. Breezing through? It moves forward. The placement test determines where lessons start — a child who places at 3rd grade never sees the kindergarten lessons they've already mastered.

Behind the scenes

3 correct in a row

System increases complexity

2 mistakes on same skill

System provides guided example

Consistent accuracy

System advances to next skill

Skills are verified over time, not once

Most curricula teach a concept, test it once, and move on. Lumastery brings it back. A skill your child learned on Monday is revisited on Thursday, then the following week, then two weeks later.

This is spaced repetition — the same evidence-based technique that makes language learning apps effective, applied to math and reading skills. A skill is only marked “mastered” after consistent accuracy across multiple review sessions.

Spaced review schedule

Day 1
First learnedTaught
Day 3
First reviewCorrect
Day 7
Second reviewCorrect
Day 14
Third reviewMissed
Day 15
Re-taughtReviewed
Day 21
Final reviewMastered

Structured math lessons

Every math concept has a lesson built for it

Before your child ever sees a practice problem, they get a structured lesson that teaches the concept. Each lesson uses a read-aloud story, visual examples, hands-on activities, and a short quiz — designed to be done together in about 10–15 minutes.

Every math skill from counting and number recognition through fractions, decimals, algebra, and statistics has its own lesson. After each one, a “Practice This Skill” button takes your child directly into adaptive practice on that exact concept. The lesson teaches the idea. The engine makes sure it sticks.

The learn → practice flow

Step 1: Lesson

Read-aloud story introduces the concept with guided examples and a short quiz

Step 2: Practice

Adaptive engine gives practice at exactly the right difficulty for your child

Step 3: Spaced review

Skill comes back days and weeks later to verify mastery over time

Mastery-based progression

Skills build on each other. The system knows the order.

Every skill in Lumastery is mapped to its prerequisites. Multiplication requires addition fluency. Fractions require an understanding of division. The system enforces these dependencies automatically.

Your child can't skip ahead without demonstrating they've mastered the foundation. And when they do master a skill, the next step is already queued — no planning required on your part.

One correct answer is not mastery. Consistent accuracy across multiple sessions is.

Prerequisite chain

Counting to 20
Mastered
Addition within 10
Mastered
Addition within 20
In progress
Subtraction within 20
Locked
Addition within 100
Locked

Science, K through 8th grade

Structured science lessons with hands-on experiments

Science modules cover physical science, life science, and earth and space science across every grade. Each interactive lesson teaches the concept on screen, then comes with a companion at-home experiment guide so your child gets hands-on with what they just learned.

Science works differently from math and reading — it's structured by topic and grade rather than driven by the adaptive engine. Your child explores concepts like forces and motion, living things, weather, atoms, and ecosystems through guided lessons designed for how children actually learn science: by observing, questioning, and experimenting.

See the full K–8 science scope →

Science strands

Physical Science

Forces, matter, energy, waves, atoms

🌱

Life Science

Living things, body systems, ecosystems, heredity

🌍

Earth & Space

Weather, rocks, water cycle, solar system

Every lesson includes an at-home experiment guide

Kitchen-table experiments using everyday materials

Parent controls

You stay in control. The system does the planning.

Choose how math is taught, track progress across math, reading, and science, and get weekly reports that tell you what happened and what's coming next. You focus on being present — not on lesson prep.

Teaching approach

Toggle between traditional (facts, procedures, fluency) and conceptual (number bonds, place value reasoning) for each child. Change it any time.

One dashboard

See every child's progress in one place. Skills mastered, skills in progress, and what the system is adjusting next. No spreadsheets.

Weekly reports

Every week: skills practiced, skills mastered, accuracy trends, and what the system is focusing on next. Clarity, not data overload.

Visual teaching

See what your child sees

Every concept is taught with clear, visual explanations designed for how children actually learn. Browse real examples from Pre-K through 8th grade.

Pre-K

How many stars?

Counting Objects

Tap to learn more

Pre-K
sat
sat

Learn to Read: Letter Sounds

Tap to learn more

Pre-K

7 out of 10

Number Sense

Tap to learn more

Kindergarten
+
=

3 + 2 = 5

Addition

Tap to learn more

1st Grade
=5

8 − 3 = 5

Subtraction

Tap to learn more

2nd Grade
2 hundreds4 tens3 ones=243

Hundreds, tens, and ones

Place Value

Tap to learn more

2nd Grade
T
O
1
4
7
+
3
5
8
2

Carry when a column adds to 10 or more

Column addition with carrying

Regrouping

Tap to learn more

3rd Grade
4 columns
3 rows

3 × 4 = 12

3 rows of 4

Multiplication

Tap to learn more

2nd–4th

The quick fox jumped over the lazy dog.

Grammar: Parts of Speech

Tap to learn more

3rd Grade

3/4

Three fourths

Fractions

Tap to learn more

4th Grade
5
3
Area = 15 sq units|Perimeter = 16 units

Measuring rectangles

Area & Perimeter

Tap to learn more

5th Grade
-44-33-22-111-12-23-34-40(1,2)(3,4)

Plotting points

Coordinate Plane

Tap to learn more

6th Grade
324

3 × 2 × 4 = 24 cubic units

3D measurement

Volume

Tap to learn more

3rd–6th
📖💡
Understand

Reading Comprehension

Tap to learn more

7th Grade
55°35°

55° + 35° = 90°, complementary!

Complementary angles

Angle Relationships

Tap to learn more

7th Grade
r = 5d = 10
C = 31.4|A = 78.5

Circumference & area

Circles

Tap to learn more

8th Grade
345

3² + 4² = 9 + 16 = 25 = 5²

Right triangles

Pythagorean Theorem

Tap to learn more

Pre-K·Counting Objects·1 of 17

What you see as a parent

Every child. One view. Complete clarity.

Parent dashboard

All of your children in one place. See their current skill levels, recent progress, and what's being worked on today. No switching between accounts or apps.

Parent Dashboard
Wed, Feb 26

Your children

This week
E
Emma3rd Grade
Done today

Working on Multiplication · Times Tables & Fluency

78%
14 mastered3 in progress12 day streak
L
Liam1st Grade
Done today

Working on Addition · Sums to 20

62%
8 mastered2 in progress12 day streak
N
NoahKindergarten
Not started

Working on Counting · Counting to 20

45%
5 mastered2 in progress9 day streak

Weekly report

Skills practiced, skills mastered, accuracy patterns, and what the system is adjusting next. You open the report and know exactly where your child stands.

Emma's Weekly Report
Feb 17 – 23

5

Sessions

47

Exercises

91%

Accuracy

5

Day Streak

Where Emma stands

MathAhead

Working at 2nd grade level

Typical for age: 1st grade

1st grade18/18
2nd grade14/17
3rd grade2/15
ReadingOn pace

Working at 1st grade level

Typical for age: 1st grade

Kindergarten12/12
1st grade7/14
M

91% Math

30 exercises

R

88% Reading

14 exercises

S

2 lessons

Science

Skills Breakdown

Telling Time
Skip Counting
Coin Identification
Short Vowel Sounds
CVC Words
Subtraction Within 100
Blending Digraphs

Overall

Emma had a strong week across the board. Her math accuracy on timed addition jumped from 74% to 91%, and she's moved into two-digit subtraction with regrouping. In reading, short vowels are solid and she's starting to blend digraphs. Science: she completed both weather lessons.

Try This at Home

Grab a handful of coins and have Emma sort and count the total. Start with pennies and nickels, then add dimes.

When: Saturday morning

Read a short book together and pause on words with "sh" or "ch" — have Emma sound them out.

When: Bedtime, Tues & Thurs

Put 10 crackers on a plate. Eat some, then figure out how many are left. Write the equation together.

When: Snack time

Recommended Reading

Help with Subtraction Within 100

Teaching subtraction with regrouping

6 min read

Short Vowel Sounds — what's next

From short vowels to digraphs: the next step

4 min read

68 min of focused practice this week.

Start with one lesson. Do it together.

Sign up, add your child, and sit with them for the first lesson. You'll see exactly where they are and what they're ready for. Free forever for one child. No credit card required.

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