## Reflection: Data Analysis Map Scales - Section 4: Closing

In the "Do Now" section of this lesson I mention a PD I recently attended which pushed me to reconsider the pacing and chunking of my class period. This is the first year I have had 90 minute blocks, so I have been trying a few different ideas for the way I should divide up the time.

One rule of thumb shared during this session was that on average, students can focus on a speaker for an amount of minutes equal to a + 2, where a is the student's age. This means most of my 7th graders can pay attention for 14-15 minutes. It made sense.

It also inspired me to re-think how to divide up 90 minutes of math instruction. One of the "chunks" I have begun to include in my lessons is a fluency drill, followed by the last "chunk" of class, reteaching a skill, practicing, and reviewing with the use of a document camera.  I am including both the fluency drill ("sprint") and the additional reteach ("review") practice problems in this reflection. These types of problems represent one of the most commonly missed items on the most recent mock exam.

Data Analysis: Data Analysis: Reteach

# Map Scales

Unit 5: Ratios and Proportional Relationships
Lesson 16 of 21

## Big Idea: students work with neighbors, independently, and on whiteboard to apply map scale to find actual distances and lengths on a map

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50 minutes

### Yazmin Chavira MTP

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