## Reflection: Developing a Conceptual Understanding Measuring Length - Section 3: Using Metric Rulers

I don't just want my students to just know how to measure.  I want them to understand the mathematical reasoning represented by a ruler and be able to explain what each line means.

Having students discuss the meaning of each line, and the smallest and greatest decimal in a measurement, helps them conceptualize the meaning of different lengths.  Over time, I hope that they develop an appreciation for the metric system and see the reasoning and purpose for their mathematical skills and knowledge.

The Mathematical Approach to Understanding Length Using the Metric System
Developing a Conceptual Understanding: The Mathematical Approach to Understanding Length Using the Metric System

# Measuring Length

Unit 2: Scientific Measuring and Variable Testing
Lesson 2 of 11

## Big Idea: This lesson introduces students to measuring length using a metric ruler.

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25 minutes