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3-GM-2-6

Page history last edited by Tashe Harris 6 years, 2 months ago

3.GM.2.6 Use an analog thermometer to determine temperature to the nearest degree in Fahrenheit and Celsius.

In a Nutshell

Third grade is the only grade level that includes an objective on reading thermometers. Because of this, it is even more important that students have the opportunities to interact with thermometers and understand the various ways they can be used. Students will learn the difference between Fahrenheit and Celsius, as well as how to read thermometers accurately based on a scale of 10.

Student Actions	Teacher Actions
Develop procedural fluency by reading thermometers accurately. Make conjectures about the weather when reading a thermometer. For example: If the thermometer reads 30°F on the thermometer, they can conclude that it is a cold day and that it might snow. Develop a productive mathematical disposition when discussing real life scenarios for using a thermometer. Communicate mathematically by reading and writing temperature using the correct notation and unit.	Pose purposeful questions to help students recall prior knowledge and justify their thinking. Questions may include: When are thermometers useful? What are the different functions of a thermometer? How does knowing the temperature help people prepare for the day/week? Why is it important to know how to read a thermometer accurately? Why do you think the thermometers have numbers that count by tens? Would it be easier or harder to read the temperature if the numbers counted by twos? Why? Build procedural fluency by giving students opportunities to use thermometers. Model how to read and write the temperature using the correct vocabulary.
Key Understandings	Misconceptions
Temperatures are read in degrees Fahrenheit or Celsius. They are not the same unit. The scale on a thermometer is ten. The tick marks in between are used to find the more accurate temperature. Reading a thermometer is similar to reading a number line. Scales on a thermometer are similar to scales on a graph.	The scale on a thermometer is one. The temperature in Fahrenheit is the same in Celsius (ex: 40 degrees Fahrenheit is the same as 40 degrees Celsius). Temperature does not need to be labeled or that they can interchange Fahrenheit and Celsius. Thermometers are only using to measure the temperature outside.