Curated OER
Part-Part-Whole
First graders work with partners, using cubes to make addition sentences. In this math lesson, 1st graders separate cubes into 2 parts and discuss the relationship to addition sentences. Students practice separating cubes. Students make...
Curated OER
Hands On: Act it Out
In this addition practice worksheet, students act out 6 problems with math counters as they solve 6 math problems by writing addition number sentences.