"Timelines have become an indispensable part of the learning experience as they enable students to participate more actively in learning and acquire knowledge the easy way. In other words, timelines help students easily understand and memorize events and dates. But how easy it is to create them? Which are the best - and free- tools that you can use? In the following list you will find the TOP 10 FREE Timeline Creation Tools for Teachers that are very effective, free and easy to use. "
"This video series introduces key Common Core concepts in 4th-8th grade mathematics. Each video focuses on building conceptual understanding of a topic, so that students understand the "how" and "why" behind mathematical problem solving.
Use these videos with your students as topical introductions to topics including integers, the concept of ratios, unit rates, percent, and division with fractions."
The Modoc used stone mortars and pestles for processing plant and animal foods. "Most large mortars were made of vesicular lava but many small one ... were of a much lighter and more porous volcanic material" (Howe 52). The Modoc also utilized a distinctive two-horned milling stone (muller) to hull wokas seeds (Kroeber 324).