Lesson

A close-up look as a pair solves the final problems.

Two very bright kids. They clearly respect each other and are comfortable working together. They question 22, 32, or 42 as the answer to the last problem but they never talk about how or why 32 is the answer they agree upon.

This lesson is a re-engagement lesson designed for learners to revisit a problem-solving task they have already...

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...

Two very bright kids. They clearly respect each other and are comfortable working together. They question 22, 32, or 42 as the answer to the last problem but they never talk about how or why 32 is the answer they agree upon.