Lesson

Erika Isomura gives her rationale for this lesson and describes what her students were grappling with regarding understanding factors of 10.

Erika Isomura teaches fourth and fifth grade at Glassbrook Elementary in Hayward, California; in these videos, 22 of her...

This lesson emphasizes the concept of equivalency, which connects to the fifth grade standard 5.NF “Use equivalent...

This lesson is about ratios and proportions using candy boxes as well as a recipe for making candy as situations to be...