K-5 Measurement

1. K-5 Measurement Dr. Derek Webb Bemidji State University dwebb@bemidjistate.edu Faculty.bemidjistate.edu/dwebb

2. Introductions • Name • School • Grades you teach

3. Examination of Standards • NCTM • MN • Common Core • Metric system vs. customary or English system • Estimation – point vs. interval • Activities • Conclusions

4. Examination of Standards – NCTM

5. Examination of Standards – NCTM Measurement K-2 http://www.nctm.org/standards/content.aspx?id=26847 Measurement 3-5 http://www.nctm.org/standards/content.aspx?id=26815

6. Examination of Standards – MN Measurement standards are combined with geometry standards.

7. NCTM vs. MN Standards NCTM Standards are broad, encourage multiple solutions, and focus on concepts. MN Standards are more specific, focus on “correct answers” and formulas as grade level increases.

8. Examination of Standards – Common Core Which states have adopted Common Core? NCTM endorses Common Core Common Core more similar to NCTM than to MN standards MN likely to adopt Common Core in future

9. Metric system vs. customary or English system • Neither is going away anytime soon – students need to learn both. • In 1866 Congress authorized the use of the metric system. • Congress passed the Metric Conversion Act of 1975“to coordinate and plan the increasing use of the metric system in the United States.”

10. Estimate distance from earth to moon in meters.

11. Estimate distance from earth to moon in meters. Average distance is 381,470,000 meters

12. String length activity – cut piece of string the length you think your height is then compare to your actual height (K-1)

13. GeoSolids Activity

14. Mini Metric Olympics