Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Addition with Regrouping
In this regrouping in addition worksheet, students use the table for the 'Threatened and Endangered Animals' and their numbers to solve the addition problems that utilize regrouping.