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Content Knowledge: For our lesson we will be teaching measurement in standard units, we will be using a ruler for our lesson.

Pedagogical Knowledge: Students learn best when the are engaged and the activity is worthwhile. Our lesson plan is an example of both of these.

Technological Knowledge: The technology used for our lesson plan is the GeoSmart Robot.

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A common misconception for students might be thinking all units are the same. For example, they might consider an inch is the same as a centimeter. They might overlook the importance of a start line. Another common misconception for students is thinking their feet are an accurate measurement of feet. This is inaccurate since foot sizes vary and are not the appropriate measurement.

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2.MD Number 4.

Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.

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“Students will understand how filling, covering, matching, or making other comparisons of an attribute with measuring units produces a number called a ‘measure’". (p. 462-464)

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Using index cards to have them measure items that are bigger or smaller than the item they measured the robot with.

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Pros:

Great toy that you can use in multiple ways.

Drives great on multiple surfaces.

Cons:

Assembly instructions aren't step-by-step.

Some reviewers say it broke very fast.

Problems with cord.

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2.G Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.5 Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

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Have the students work in groups to create a model city or community for the robot to navigate through. This will enhance their measurement skills (making sure the robot can fit through) and enhance their teamwork skills.

Students will be put into groups and create a “racetrack”. They will all need to make their racetrack the same length (12 inches for example). They will have to measure to make sure their racetrack is that long and then they can race their robots. If time allows and they are ready for it, we can collect the data of how long it takes each robot.

Students Look at the Geo Smart Robot and figure out what shapes are on the robot. Then they draw the shapes. When they are done they can color in the shapes.

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Summative Assessment Tool(s) for Learning Segment

As a summative assessment, we will have students will measure items around the room again but with a ruler instead of smaller objects. This assignment is worthwhile, specifically because it addresses many readiness levels as the students are able to choose what object they are measuring. We will have some parameters that students have to measure a number of items that are not a whole number to challenge them. If there are students with lower readiness, they will have this adjusted to meet their needs.

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Formative Assessment Tools Used During Lesson

Once students have recalled their past knowledge for measuring, students will move onto measuring with a ruler. After the lesson is presented on how to measure with a ruler, we will use our GeoSmart robot to introduce a new way of measuring. Students will break into groups with the robot, then play around with the robot to get familiar with how it moves. Once they feel comfortable them will start to measure the distance the robot moves. This will look different for every group as the students choose the starting and ending points. This will get them practice on how to measure with an excitement and engagement of a new “toy”.

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For our Pre and Formative Assessment, if there are students with lower readiness they will have this adjusted to meet their needs, because students will be able to choose their own items. This means if a student is not ready for large items, then they can choose items they are more comfortable with and understand.

Another method used is students will get structured practice with sentence starters to help students practice measurements and distances. (ex. “The length of the pencil is ____ less inches/centimeters than the desk”)

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Pre-Assessment Tools Used Prior to Lesson

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object. Have students recall their prior 1st grade knowledge of measuring an object using smaller objects, so they are able to connect the objective today, to the past.

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Units, length, inch, foot, centimeter, yardstick, ruler, distance

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GeoSmart Flip Bot is a 30-pieces geomagnetic construction set that includes turbo motors to help your remote-controlled vehicle zoom, spin, and flip over! An ideal STEM magnetic construction set, GeoSmart enables fun learning at home and in the classroom.

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Students will use the robot to move a distance, then measure and document the data.