Sophia spends a winter day recording the temperature once every three hours for science class. At 9 am, the
temperature was -2.1°F. Between 9am and noon, the temperature increased by 10.8°F. Between noon and
3pm, the temperature decreased by 13°F. Between 3pm and 6pm, the temperature dropped 18.4°F. What was
the temperature at 6pm?

We can solve this by tracking the changes in temperature over each time interval:

1. **At 9 AM**, the temperature is given as \(-2.1^\circ F\).

2. **From 9 AM to 12 PM**, the temperature increases by \(10.8^\circ F\):
   \[
   \text{Temperature at noon} = -2.1^\circ F + 10.8^\circ F = 8.7^\circ F
   \]

3. **From 12 PM to 3 PM**, the temperature decreases by \(13^\circ F\):
   \[
   \text{Temperature at 3 PM} = 8.7^\circ F - 13^\circ F = -4.3^\circ F
   \]

4. **From 3 PM to 6 PM**, the temperature drops by \(18.4^\circ F\):
   \[
   \text{Temperature at 6 PM} = -4.3^\circ F - 18.4^\circ F = -22.7^\circ F
   \]

Thus, the temperature at 6 PM is \(-22.7^\circ F\).

Would you like more details or have any questions?

Here are 5 related questions to explore:
1. What would the temperature be at 3 AM if it continued dropping at the same rate?
2. What was the average temperature change between each recorded time?
3. If the temperature rose by 5°F after 6 PM, what would it be at 9 PM?
4. How much total temperature change occurred between 9 AM and 6 PM?
5. What would happen if the temperature fluctuated inversely between these intervals?

**Tip**: When solving word problems involving temperature changes, always track each time interval and keep an eye on whether the changes are increases or decreases.

Sophia spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -2.1°F. Between 9 am and noon, the temperature increased by 10.8°F. Between noon and 3 pm, the temperature decreased by 13°F. Between 3 pm and 6 pm, the temperature dropped 18.4°F. What was the temperature at 6 pm?

Solve a real-world problem where Sophia records temperature changes throughout a winter day. Learn how to calculate temperature changes over time using basic arithmetic. Track temperature increases and decreases from -2.1°F at 9 AM to -22.7°F at 6 PM. Suitable for Grades 5-7 students.

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