- PARCC Math Practice
Third grade PARCC Math practice from the official Partnership for Assessment of Readiness for College and Careers website.
- Illustrative Mathematics
Common Core Math practice from the illustrativemathematics.org website. The problems are organized per the 3rd grade common core domains and tasks.
- Khan Academy
3th grade mathematics practice from the Khan Academy website.
- Free Test Online
Third grade math practice: operations and algebraic thinking, numbers and operations in base ten, fractions, measurement and data, geometry.