Curated OER
Angles and Parallel Lines
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
Curated OER
Alfy plays "Time Flies"
Third graders use the Internet to go to a math web site to explore, practice and play time telling exercises. They play a time game by moving the clock arms to match a time presented on a button.
Curated OER
Subtract Positive and Negative Integers
Review the concept of subtracting positive and negative integers. Learners review the rules for subtracting integers, use manipulatives to visualize the process, and complete an assessment.
Curated OER
Traveling Sound
Learners explore how sound waves move through liquids, solids and gases in a series of simple sound energy experiments. They describe how sound needs molecules to move and that changing the medium that it travels through changes the...
Curated OER
On Our Way to School
First graders create a class graph that illustrates how they get to school and interpret data from the graph. They complete an assessment worksheet independently and answer questions about the graph shown.
Curated OER
How Hot Is It?
Fourth graders practice estimating temperatures. They practice in Celsius and Fahrenheit.
