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Kelly Hudson (khudson@steds.org)

##
(A4) Measuring the Length of Shells 🐚📏

**Grades:**
2nd Grade,
Kindergarten,
1st Grade

**Subjects:**
Science,
Computational Thinking,
Math

**Student Instructions**

1. Click to open the template.
2. Follow the directions on each slide.
3. Click the green to save.

**Teacher Notes (not visible to students)**

Materials
3 paper clips per group
centimeter ruler per group
centimeter cubes for each group
baggie of shells per group (1 shell that is 1 paperclip long, 1 shell that is 2 paperclips long, and 1 shell that is 3 paperclips long)
Science and Engineering Practices in the NGSS
4. Analyzing and Interpreting Data
5. Using Mathematical and Computational Thinking
6. Constructing Explanations
1.MD.A.2: Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps.