## Reflection: Working with Numbers 11-20 Assessment - Section 3: Summarize Data

I enjoyed seeing the growth my students experienced during this unit on numbers 11-20.  I wish that I could evaluate my students individually on each standard.  The assessment gave me a lot of good information, but I probably learned the most about my students understanding by observing them completing the group assessment.

Included with this reflection is a Assessment Video Clip of some of my students completing the assessment.  The first student completing the assessment shows a strong understanding of place value.  As he is counting the number of objects in the ten frame, he sweeps his hand over the full ten frame saying "ten".  He then counts on from there.  If you listen closely, you can hear him miscount.  He comes up with 20.  He looks at the ten frame and realizes both ten frames are not full.  He knows it cannot be 20 because there is one spot open so he counts the objects again.

The second student is filling out base ten block representations of numbers.  Given the number 18, the student quickly colors in the first base ten block without counting.  She then carefully counts and colors in eight blocks in the second base ten block.  She understands that 18 can be broken into one ten and eight ones.

The final student on the video does not show this understanding. She is counting each individual square in the ten.  She does not know how to break the number down into tens and ones.

I tried to get around the room and observe each student working on these problems so I have a better understanding of this concept.  I will need to continue my observations while the students are working in centers.  The unit test cannot be the end of data collection and should always serve as a spring board for future instruction.

Working with Numbers 11-20 Assessment

# Working with Numbers 11-20 Assessment

Unit 4: Working with Numbers 11-20
Lesson 17 of 17

## Big Idea: The students have worked hard to build their knowledge of numbers 11-20. Now it's time to see what they have learned.

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6 teachers like this lesson
Standards:
Subject(s):
Math, Place Value, SIOP, ELL, counting, base 10, Numbers
35 minutes

### Joyce Baumann

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