## Reflection: Developing a Conceptual Understanding Standard and Non-Standard Units of Measurement - Section 4: Close

I felt that I needed to spend the whole day allowing students to work with the math tools and rules to help develop a conceptual understanding of length. Students cannot understand what an appropriate unit of measure is for a pencil, a paperclip, their room, the city etc. if they do not truly understand what each unit represents.

I also felt that it was important to have students estimate the length before finding the measurement because I think they needed to either confirm their predictions or come to the conclusion about whether or not it was reasonable based on their own discovery. I could have told them what was appropriate, but I felt that their discovery of the information was more powerful in developing a deep understanding of length.

Deep Understanding
Developing a Conceptual Understanding: Deep Understanding

# Standard and Non-Standard Units of Measurement

Unit 9: Measurement and Data
Lesson 1 of 13

## Big Idea: Understand the measurement process and the need for standard units.

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45 minutes

### Sarah Maffei

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