Sophia Learning
Sophia: Measuring a Line Segment: Lesson 1
This video lesson [3:59] will walk you through using a ruler to measure the distance between endpoints. It is 1 of 10 in the series titled "Measuring a Line Segment." Students can answer review questions to assess their understanding of...
Better Lesson
Better Lesson: Broken Ruler Measurements
Using a broken ruler requires students to turn to addition and subtraction skills in order to determine measurements.
Other
Science4 Us: Science Tools
The Tools module introduces students to the tools scientists use for both qualitative and quantitative observations. Students learn to use tools such as their senses, rulers, and balance scales through hands-on activities.