Common Core standard
Activities for 4.NBT.6
Real-world activities aligned to this standard.
Lunar New Year 2026
The 2026 Lunar New Year falls on Tuesday, February 17. In this updated activity, students will explore the unique naming system of the Lunar New Year, which combines...
Number Sense
Holidays and Annual Events
Grades 4–7
Star Wars ... the story continues
The Rise of Skywalker will open on December 20, 2019 . How much did it cost to make? How much will it gross? Is the Star Wars phenomena...
Number Sense
Ratio and Proportion
Grades 4–HS