Problem Analysis:
The task involves solving a word problem related to penguins and their daily activities. The problem is structured as follows:
1.
Initial Information:
- There are 20 penguins in total.
- They spend 8 hours sleeping each day.
- They spend 4 hours swimming each day.
2.
Additional Information:
- The remaining time is spent eating fish.
- Each penguin eats 5 fish per hour while eating.
3.
Question:
- How many fish do all the penguins eat in one day?
---
Step-by-Step Solution:
#### Step 1: Calculate the total hours in a day.
A day has 24 hours.
#### Step 2: Determine the time spent on sleeping and swimming.
- Time spent sleeping: 8 hours
- Time spent swimming: 4 hours
Total time spent on sleeping and swimming:
\[
8 \text{ hours} + 4 \text{ hours} = 12 \text{ hours}
\]
#### Step 3: Calculate the time spent eating.
Since there are 24 hours in a day, the time spent eating is:
\[
24 \text{ hours} - 12 \text{ hours} = 12 \text{ hours}
\]
#### Step 4: Determine the number of fish each penguin eats per day.
Each penguin eats 5 fish per hour while eating. Since they spend 12 hours eating, the number of fish each penguin eats in one day is:
\[
5 \text{ fish/hour} \times 12 \text{ hours} = 60 \text{ fish}
\]
#### Step 5: Calculate the total number of fish eaten by all penguins.
There are 20 penguins, and each penguin eats 60 fish per day. Therefore, the total number of fish eaten by all penguins in one day is:
\[
20 \text{ penguins} \times 60 \text{ fish/penguin} = 1200 \text{ fish}
\]
---
Final Answer:
\[
\boxed{1200}
\]
---
Explanation:
The solution involves breaking down the problem into manageable parts:
1. Identifying the total time available in a day.
2. Subtracting the time spent on sleeping and swimming to find the time spent eating.
3. Calculating the number of fish each penguin eats based on the eating time.
4. Multiplying the number of fish eaten by one penguin by the total number of penguins to get the total fish consumption.
This method ensures accuracy and clarity in solving the problem.
Parent Tip: Review the logic above to help your child master the concept of free reading comprehension worksheet grade 2.
