Measurements with Photolithography
Teacher Name(s): Connie BoswellRobinson
Date:
Grade level(s): Middle School
Content Areas: Mathematics
Description/Abstract: Analyze the data from the size of the microchannels
Timeline: 1 period
Goals/Content and Cognitive:
Measuring distances will be examined in addition to using their ratio skills to draw conclusions about the analyzed channels.
Students will:
 Measure the distance of the channels
 Compare the measured data
 Draw conclusions about the data
Links to Curriculum Standards:
Numeric Reasoning
 Content Standards: Understand Number and Operations by solving problems with a need to represent and model real numbers
 Enduring Understandings
i. Numbers can be represented in multiple ways
ii. Knowing the reasonableness of an answer comes from using good number sense and estimation strategies
 Algebraic Reasoning
 Content Standards: Understand patters by solving problems by recognizing patterns.
 Enduring Understanding: Numbers or objects that repeat in predictable ways can be described or generalized.
 Quantitative Reasoning
 Content Standards: Understand data analyze by solving problems from collecting and interpreting their data.
 Enduring Understanding: The question to be answered determines that data to be collected and how best to collect it.
Guiding Questions:
 What do you remember about measuring? Name a few things that you used today that you could measure
 If we needed to know the distance between two different measurements, want would you do?
Assessment:
 Formally: Opener Questions
 Informally: Feedback from interactively working the problems
 Informally: Asking questions at their cooperative learning stations
 Formally: Exit Slips
Learning Connections:
Students will need prior knowledge of using a ruler to measure distances. They will also to need to bring their subtraction, ratio and percent skills with them to this activity.
Learning Activities or Tasks:
Time 
Item 
Specifics 
10 
Opener 

5 
Homework 
Entertain Questions 
5 
Return Papers 
Entertain Questions 
5 
Learning Stations 
Group students for activity/ They populate roles 
15 
Instruction 
Channel activity 
20 
Activity 
Process worksheet 
15 
Reporting Out 
Reporting Worksheet 
5 
Review/Questions 

5 
Exit Ticket/Hmwk 
Pre Printed 
85 
Total Time 

Teaching Strategies:
1. Lecture
2. Cooperative learning stations to differentiate the instructions
Management:
The learning stations will be populated based on the results of yesterday’s exit ticket which covered basic ratios and percents. The students who did not master yesterday’s lesson will need reteaching. Analyzing the data on the exit ticket will tell me exactly how they are making their mistakes so the instruction to them can be differentiated. The students will receive their learning station number from me when I check their opener.
Materials and Resources:
 Yesterday’s exit ticket
 Rulers
 Calculator
 Channel activity worksheet
 Learning Station worksheet
 Exit tickets
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Lesson Evaluation and Teacher Reflection:
Questions:
Was this lesson worth doing?
In what ways was this lesson effective?
What evidence do you have for your conclusion?
How would you change this lesson for teaching it again?
What did you observe your students doing and learning?
Did your students find the lesson meaningful and worth completing?