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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
Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
Pennsylvania Department of Education
Some Special Sums
Students study addition. In this math instructional activity, students solve doubles and doubles plus one addition facts. Students roll dice and use the numbers to create addition problems.