Curated OER
How Many Hats?
In this addition worksheet, students complete 5 addition problems by counting hats. This worksheet goes along with the Dr. Seuss book The 500 Hats of Bartholomew Cubbins.
Curated OER
How Many Ways?
Second graders develop number sense. In this number sense lesson plan, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.