Curated OER
Pebbles Sand and Silt
First graders investigate soil, sand and silt. In this environment lesson, 1st graders discuss how changes occur in the environment and the effects of weather. Students perform their own investigation and record their predictions,...
Curated OER
The Real Number System
Learners analyze the real number system. They discuss real numbers, rational and irrational numbers, integers, whole numbers, natural numbers and more of the real number in the system. They differentiate between all these numbers.
Curated OER
From Seeds to Plants
Second graders review the process of plant reproduction and the role of seeds in that process. The students dissect a seed, analyze their finds, collect and record data, and make predictions about seed germination and plant growth.