## Reflection: Adjustments to Practice Metric Measurement: Playing with Non Standard Measurement & a CCSS Pre test - Section 2: Pre testing ideas about metric measurement

As I taught this unit and really examined standards 4.MD.A.1 and 4.MD.A.2, and  4.MD.A.3, I realized the pretest fell short of what CCSS was expecting us to master. In regard to our metric units, the words "larger unit in terms of a smaller unit" resonated with me as I realized that this test did not meet the standards exactly as written. The charts needed to be changed. I realized that equations needed to be developed to continue with understanding the unknown, and that building on powers of ten was inside this standard of converting larger units to smaller ones.

So, the final test was re-written. Prior to CCSS, I wouldn't have thought this deeply about what my students were understanding in terms of the depth. Rather, I would focus on how. The pre-test is sort of half way there. I knew I needed to include more writing and explanation. I needed to include area and perimter and a problem that gets students to determine a factor when given the total area.

I think this final test is aligned well with the standards. Please use this for the pre-test.

Also, this revised grid is a great way to follow your students mastery of the standards as you go through the unit. Metric Measurement Assessment Grid.

Adjustments to Practice: Changing the Test to Meet the Standards

# Metric Measurement: Playing with Non Standard Measurement & a CCSS Pre test

Unit 2: Metric Measurement
Lesson 2 of 18

## Big Idea: Students measure the hallway using their choice of non-standard units to set the stage for the mindset of metrics. Then, students take a pretest to show what they understand about measurement in the metric system.

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Standards:
45 minutes

### Mary Ellen Kanthack

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