Skip to content
Library
Solve
Practice
Search 7,000+ topics
/
Color theme
Dark
Light
Sign in
Library
Solve
Practice
Search everything
About Expii
Contributors
About
Our story
Team
Press
Contact
FAQ
The Number System
Standards
Common Core State Standards (Middle School, Pre-Algebra)
8th Grade
8.NS
Standards
Know that there are numbers that are not rational, and approximate them by rational numbers
8.NS.A.1 · 8.NS.1
Know that there are numbers that are not rational, and approximate them by rational numbers
8.NS.A.2 · 8.NS.2
Find a topic
Type a concept, like “slope” or “photosynthesis”.
↑ ↓ to choose · Enter to open
Search explanations and problems