Free for every family
500+ free study materials.
Flashcard videos
500+ Atomic Math Flashcard Videos
Short, focused videos covering every core concept from grades 4 through 8.
Learning standards
NYS Next Generation evaluations
Printable, standards-aligned evaluations to check whether your child is on track for their grade.
Test prep
Free SHSAT prep
Practice tests with full video walkthroughs, and a study checklist.
Blog
Learning tips for parents
Practical, science-based guides on supporting your child's learning at home.
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A science-based guide to supporting your child's learning
Learn one idea at a time.
Each topic has a playlist of atomic flashcard videos, short and focused on one skill each. Sample SMART Worksheets are there to print and practice on paper.
Start here
How to use the flashcard videos
Pause, solve on paper, sort what you know, and review on a schedule.
- 01
Expressions, Equations & Operations
Order of operations, writing and evaluating expressions, and solving equations step by step. This is the grammar of algebra.
Grades 4–8Open - 02
Exponents
Powers, bases and the properties of exponents, including zero and negative exponents, built one idea at a time.
Grades 5–8Open - 03
Factors & Multiples
Primes, factor trees, GCF and LCM. This number sense makes fractions, ratios and algebra feel natural.
Grades 4–7Open - 04
Fractions
Equivalent fractions, comparing, adding, multiplying and dividing, with visual models that make the rules make sense.
Grades 4–7Open - 05
Decimals
Place value, operations with decimals, and moving fluently between decimals, fractions and percents.
Grades 4–7Open
Grades 4–8 · New York City
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