Curated OER
Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
Food Pyramid Power: Looking Back and Moving Forward
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson, students show their ability to use whole numbers in different representations by appling...
Curated OER
One Square Foot
Students identify, describe, count, tally, and graph life found in one square foot of land.
Pennsylvania Department of Education
Some Special Sums
Pupils study addition. In this math lesson, students solve doubles and doubles plus one addition facts. Pupils roll dice and use the numbers to create addition problems.