The Math Forum

Ask Dr. Math

Middle School Archive

Dr. Math Home || Elementary || Middle School || High School || College || Dr. Math FAQ

This page:
  temperature checkmark

  Dr. Math

See also the
Internet Library:


About Math

   factoring expressions
   graphing equations

   factoring numbers


     conic sections/
   3D and higher



Number Sense
   factoring numbers
   negative numbers
   prime numbers
   square roots

Word Problems

Browse Middle School Temperature
Stars indicate particularly interesting answers or good places to begin browsing.

Selected answers to common questions:
    Celsius to Fahrenheit.

Adding and Subtracting Negative Integers as Temperatures [01/08/2004]
If it's -20 degrees outside and it decreases 3 degrees what temperature is it? I know the answer is -23 degrees but it seems like it should be -17 degrees.

Celsius and Fahrenheit Conversions [09/15/1997]
For what value of C do both scales represent the same temperature?

Celsius to Fahrenheit [04/26/1999]
How do you convert Celsius to Fahrenheit?

Changing Celsius to Fahrenheit [9/9/1996]
How do you change Celsius to Fahrenheit?

Converting between Celsius and Fahrenheit [06/23/2009]
How can I use algebra to derive the unusual temperature conversion formulas F = 9/5(C + 40) - 40 and C = 5/9(F + 40) - 40 ?

Converting Celsius to Fahrenheit [2/28/1996]
What is the Fahrenheit equivalent for 15 million degrees centigrade? (That's the temperature at the center of the sun.) What is the Fahrenheit equivalent of -150 degrees Celsius, and how does this differ from centigrade? To convert 500 degrees centigrade to Fahrenheit, what figures do I use?

Converting Celsius to Fahrenheit and Why It Works [04/03/2004]
What are the Fahrenheit and Celsius patterns that will help me predict Fahrenheit temperature based on the Celsius temperature?

Converting Fahrenheit to Celsius [9/29/1995]
Is there a temperature that is the same on both the Celsius and Fahrenheit scales?

Decreasing by Degrees [01/07/2016]
A teacher wonders about her choice of context for a problem designed to elicit subtraction of a negative number. Doctor Peterson provides troubleshooting linguistic, mathematical, and instructional.

Degrees Kelvin [04/16/2002]
Why is it considered to be wrong to write, for example, 0 degrees Kelvin?

Derive the Function of Celsius to Fahrenheit [09/22/1997]
How do you get the equation of Celsius to Fahrenheit and vice versa? How would you graph that function?

Deriving the Celsius-to-Fahrenheit Conversion Formula [12/03/2001]
What is 27 degrees Celsius above freezing in Farenheit?

Dimensional Analysis and Temperature Conversion [04/13/2002]
I understand that you can use cross multiplication to find how many centimeters equal a certain number of inches, but I get confused when I try to apply the same logic when converting from Celsius to Farenheit.

Doubling Zero? [02/13/2007]
I have a student who asked, 'What is twice as cold as zero?'

Equivalent Temperatures, Different Scales [05/28/2003]
The inhabitants of Xenor use two scales for measuring temperature. On the A scale water freezes at O degrees and boils at 80 degrees; on the B scale water freezes at -20 degrees and boils at 120 degrees. What is the equivalent on the A scale of a temperature of 29 degrees on the B scale?

Kelvin Scale [08/20/2002]
I need to know about the kelvin scale, and how to convert from kelvin to Celsius.

Minus Temperatures, Minutes Before [12/07/2012]
A student gets confused by the rate of change of temperature that dips below zero Celsius, as measured before a certain time. After graphing the time and data points, Doctor Ian makes an analogy to a more familiar rate of change.

Origins of Celsius and Fahrenheit [03/31/2002]
Who invented Celsius and Fahrenheit?

The Origins of Fahrenheit [09/16/1998]
Why did Fahrenheit decide to make 32 degrees his freezing point and 212 degrees his boiling point?

Origins of the Fahrenheit Scale [11/20/1998]
Why did Fahrenheit choose 32 as the freezing point of water? Where did he get his scale?

Spaces and the Number Line [02/26/2003]
If you say, 'How many degrees are there between -2 and 4?' would you count the 0 degrees and answer 7 degrees or would you not count the nought and answer 6 degrees?

Temperature Difference [05/20/1999]
Can 44 degrees Centigrade equal 80 degrees Fahrenheit when you are talking temperature difference?

Twice as Cold as Zero [04/28/1999]
What is the temperature if it's twice as cold (or warm) as zero degrees?

Where did Fahrenheit and Celsius Come From? [07/26/1997]
How did scientists figure out the relation between two numbers that mean the same thing, e.g. 0 deg C and 32 deg F?

Zero Point of Thermometer [04/06/2002]
What is the zero point of a thermometer? Is it 0 degrees of any temperature scale, or 0 Kelvin, or -273.15 Kelvin?

Page:  1

Search the Dr. Math Library:

Search: entire archive just Middle School Temperature

Find items containing (put spaces between keywords):
Click only once for faster results:

[ Choose "whole words" when searching for a word like age.]

all keywords, in any order at least one, that exact phrase
parts of words whole words

[Privacy Policy] [Terms of Use]

Home || The Math Library || Quick Reference || Search || Help 

© 1994- The Math Forum at NCTM. All rights reserved.