Unit 3: Temperature Conversion

(C= Celsius and F= Fahrenheit)

To convert Celsius to Fahrenheit-     (C x 1.8) + 32 = F

To convert Fahrenheit to Celsius-   (F - 32) \div÷1.8 = C

 

Example:

Convert Celsius to Fahrenheit:

41 C = ________ F

Step 1: Solve inside the parentheses first, and then work left to right. Multiply the Celsius temperature by 1.8. The number 1.8 is the decimal form of \frac{9}{5}95

 

   41

x 1.8

  328

    41

    73.8

Step 2: Add 32 to the step 1 answer.

    73.8

  + 32

105.8

The answer is 105.8 degrees F.

 

 

To convert from Fahrenheit to Celsius:

Step 1: Subtract the 32 from the Fahrenheit temperature:

107.6

  - 32

    75.6

Step 2: Divide the step 1 answer by 1.8

75.6 \div÷1.8 = 42

The answer is 42 degrees C.

 

Complete the following practice problems:

1. 34^\circ∘ C = ________ F^\circ∘

2. 46.6 ^\circ∘F = _________ ^\circ∘C

3. 107^\circ∘C = _______^\circ∘ F

4. 101.5^\circ∘F = ______^\circ∘C

5. 42^\circ∘C = ______ F^\circ∘

6. 40^\circ∘F = _______^\circ∘C

7. 100.4^\circ∘F = ______^\circ∘C

8. 69^\circ∘C = _______^\circ∘F

9. 12^\circ∘C = _______ ^\circ∘F

10. 105.8^\circ∘ F = _____ ^\circ∘C

 

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