Fourth Grade Math

Give your child a full year of 4th grade math

A complete, standards-aligned 4th grade math curriculum that builds real confidence — whether you're homeschooling, supplementing school, or helping your child catch up.

22 lessonsAI-adaptiveCancel anytimeLearn anywhere
Fourth Grade Math

"Every child can become a math person — they just need the right sequence, the right explanations, and enough time to really get it."Cassi Gardei

What you'll learn

What you'll be able to do

  • Master multi-digit multiplication and long division with confidence and accuracy
  • Understand fractions deeply — equivalence, comparison, addition, and subtraction
  • Read, write, and compare decimals to the hundredths place
  • Solve real-world word problems using all four operations
  • Identify and measure angles, classify shapes, and apply area and perimeter formulas
  • Interpret data from graphs and charts and solve multi-step measurement problems
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How it works

A school that adapts to you

This isn't a set of static videos. Every lesson is generated live and tuned to where you actually are.

We learn your level

A quick placement check tailors your starting point so you're never bored or lost.

Lessons adapt as you go

Each lesson is written for your pace and your goal, adjusting as your skills grow.

Your AI coach keeps you moving

Checkpoints, feedback, and gentle nudges turn progress into a real result.

The curriculum

What's inside your school

6 modules · 22 lessons

1

Multiplication & Division Mastery

Students build fluency and deep understanding of multi-digit multiplication and long division — moving from concrete models to standard algorithms, with an emphasis on checking work and real-world application.

  • 1.1Multiplying by 10s, 100s, and 1,000sIncluded
  • 1.2Multi-Digit Multiplication with the Area ModelIncluded
  • 1.3The Standard Multiplication AlgorithmIncluded
  • 1.4Introduction to Long DivisionIncluded
  • 1.5Multi-Step Word Problems with All Four OperationsIncluded
2

Fractions — Deep Understanding

Students move well beyond memorizing fraction rules to genuinely understanding equivalence, comparison, and addition and subtraction of fractions with like and unlike denominators, using visual models throughout.

  • 2.1What Fractions Really Mean — Parts, Wholes, and Number LinesIncluded
  • 2.2Equivalent Fractions and SimplifyingIncluded
  • 2.3Comparing and Ordering FractionsIncluded
  • 2.4Adding and Subtracting Fractions with Like DenominatorsIncluded
  • 2.5Adding and Subtracting Fractions with Unlike DenominatorsIncluded
3

Decimals — Reading, Writing, and Comparing

Students connect their fraction knowledge to decimals, learning to read, write, model, compare, and order decimals to the hundredths place — a critical bridge to 5th grade operations with decimals.

  • 3.1Tenths and Hundredths — Connecting Fractions to DecimalsIncluded
  • 3.2Reading, Writing, and Modeling DecimalsIncluded
  • 3.3Comparing and Ordering Decimals to the HundredthsIncluded
4

Geometry — Shapes, Angles, Area, and Perimeter

Students explore 2D geometry hands-on — classifying shapes by their properties, measuring and drawing angles with a protractor, and confidently applying area and perimeter formulas to real-world situations.

  • 4.1Classifying Lines, Angles, and TrianglesIncluded
  • 4.2Measuring and Drawing AnglesIncluded
  • 4.3Area of Rectangles and Composite FiguresIncluded
  • 4.4Perimeter and Real-World Problem SolvingIncluded
5

Data, Measurement, and Conversions

Students read and interpret graphs and charts, solve multi-step measurement problems, and convert units within the same system — building the practical math skills they'll use in science, daily life, and beyond.

  • 5.1Reading and Interpreting Graphs and ChartsIncluded
  • 5.2Units of Length, Weight, and Capacity — U.S. CustomaryIncluded
  • 5.3Units of Time and Multi-Step Measurement Word ProblemsIncluded
6

Review, Real-World Application, and Celebration

Students integrate all the skills from the course into multi-topic challenges, self-assess their growth, and demonstrate mastery through a culminating project — building confidence and pride in their mathematical abilities.

  • 6.1Connecting the Concepts — Mixed Review ChallengesIncluded
  • 6.2Culminating Project — Real-World Math Design ChallengeIncluded

Who it's for

Is this you?

Homeschool Parents

They need a complete, reliable curriculum spine they can trust to cover the full year without piecing things together themselves.

Catch-Up Families

Their child fell behind during a tough school year and needs a structured, confidence-rebuilding path back to grade level.

Get-Ahead Parents

Their high-achieving kid is ready for more challenge and they want to preview 4th grade material before the school year begins.

After-School Helpers

They help with homework every night and want to finally understand the methods being taught so they can actually explain them.

Summer Bridge Families

They want to keep math skills sharp over the summer so their child doesn't lose ground before 5th grade begins.

Elementary Teachers

They're looking for a well-sequenced supplemental resource to support differentiated instruction or intervention groups in their classroom.

Questions

Frequently asked

Your teacher

A note from your teacher

Cassi Gardei

Cassi Gardei

I know what it feels like to watch a child start to believe they're "bad at math."

Maybe your child came home with a test they didn't understand. Maybe they've started avoiding homework, or saying things like "I just can't do this." Maybe you sat down to help them and realized you weren't totally sure how to explain it either — and that felt awful. You are not alone. This happens to so many families, and it is completely fixable.

I built this curriculum because 4th grade math is genuinely one of the most important years in a child's mathematical life. The skills learned here — multi-digit multiplication, fraction sense, place value thinking — are the foundation everything else is built on. Get this year right, and math becomes something your child can lean on. Miss it, and the gaps compound quietly for years.

What I've put together here is a complete, logical, step-by-step path through the entire 4th grade year. Every lesson is explained the way a great teacher would explain it in a small-group setting: clearly, patiently, with models and examples that actually make sense. Nothing is assumed. Nothing is skipped. The sequence is deliberate, so your child is never asked to do something they haven't been prepared for.

I also built this for you — the parent or teacher on the other side. You shouldn't have to stitch together a curriculum from five different websites. You shouldn't have to wonder if you've covered everything. This is a complete, organized, done-for-you resource that puts you confidently in charge of your child's math education.

If your child finishes this school, they will know 4th grade math. Not just "passed a test" know it — really, deeply, usably know it. And they'll know that they can do hard things. That's what I'm here to give you both.

Cassi Gardei

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  • 6 modules, 22 lessons
  • AI-adaptive lessons tuned to your level
  • Quizzes & checkpoints to lock in progress
  • Your own AI learning coach
  • Learn on any device, at your pace
  • Full access for as long as you're subscribed