Curated OER
Number Families
First graders examine the relationship between numbers and number families. They listen to the poem "Kangaroo and Toad" by Shel Silverstein and create a list of the largest animals they can think of. Students then order the animals...
Curated OER
Fifty Toes
Students guess the subject of the given problem by reasoning. Then they discuss the ways that the problem could be solved by keeping track of their counting in 10s and showing their work.