Images
No items found.
In 2nd grade, you learned to measure lengths. Now we can measure the length around the edge of an object (perimeter) and how much “space” something takes up on a flat surface (area).
Posted
Mar 2023
This resource has religious influence.
Similar resources
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computing, history, art history, economics, and more, including K-14 and test preparation (SAT, Praxis, LSAT) content. We focus on skill mastery to help learners establish strong foundations, so there's no limit to what they can learn next!
Multiplication and division
1st - 4th
South, East, and Southeast Asia: 300 B.C.E. - 1980 C.E.
College
Graphing lines and slope
7th - College
Home-made robots
High School - College
Global prehistory: 30,000-500 B.C.E.
7th - College
SAT Tips & Planning
High School