2nd Grade Math Worksheets - 3-Digit Subtraction With Regrouping ... - Free Printable

Problem Solving for 3-Digit Subtraction Word Problems

The worksheet contains five word problems that require solving using subtraction strategies. Below is a detailed explanation and solution for each problem.

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#### Problem 1:
The farmer brought his corn crop to the market. He had 468 ears of corn. Within the first hour, he sold 172 ears of corn. How many ears of corn does he have left to sell?

- Step 1: Identify the total number of ears of corn the farmer had initially.
- Total ears of corn = 468

- Step 2: Identify the number of ears of corn sold in the first hour.
- Ears of corn sold = 172

- Step 3: Subtract the number of ears sold from the total number of ears.
- Remaining ears = Total ears - Ears sold
- Remaining ears = 468 - 172

- Step 4: Perform the subtraction.
- 468 - 172 = 296

- Answer: The farmer has 296 ears of corn left to sell.

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#### Problem 2:
John's family went on a road trip. The total miles for the trip was 723 miles. In the first day, they drove 351 miles. How many more miles do they need to drive to reach their destination?

- Step 1: Identify the total distance of the trip.
- Total distance = 723 miles

- Step 2: Identify the distance driven on the first day.
- Distance driven on the first day = 351 miles

- Step 3: Subtract the distance driven from the total distance.
- Remaining distance = Total distance - Distance driven
- Remaining distance = 723 - 351

- Step 4: Perform the subtraction.
- 723 - 351 = 372

- Answer: John's family needs to drive 372 more miles to reach their destination.

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#### Problem 3:
The school was having a penny war to raise money. The class in the lead had collected 904 pennies on the first day. The class in 2nd place collected 532 pennies. What is the difference in the number of coins collected on the first day of the fundraiser?

- Step 1: Identify the number of pennies collected by the leading class.
- Pennies collected by the leading class = 904

- Step 2: Identify the number of pennies collected by the second-place class.
- Pennies collected by the second-place class = 532

- Step 3: Subtract the number of pennies collected by the second-place class from the number collected by the leading class.
- Difference = Pennies collected by the leading class - Pennies collected by the second-place class
- Difference = 904 - 532

- Step 4: Perform the subtraction.
- 904 - 532 = 372

- Answer: The difference in the number of coins collected is 372 pennies.

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#### Problem 4:
Jackie was working all summer and saving money to buy a new computer. The one she wanted was 518 dollars. Her bank account has 356 dollars. How many more dollars does she need to earn to be able to purchase the computer?

- Step 1: Identify the cost of the computer.
- Cost of the computer = 518 dollars

- Step 2: Identify the amount of money Jackie currently has.
- Money in Jackie's bank account = 356 dollars

- Step 3: Subtract the amount of money Jackie has from the cost of the computer.
- Additional money needed = Cost of the computer - Money in Jackie's bank account
- Additional money needed = 518 - 356

- Step 4: Perform the subtraction.
- 518 - 356 = 162

- Answer: Jackie needs to earn 162 more dollars to purchase the computer.

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#### Problem 5:
There were 909 students in the high school and 856 students in the elementary school. What is the difference in the number of students at each school?

- Step 1: Identify the number of students in the high school.
- Students in the high school = 909

- Step 2: Identify the number of students in the elementary school.
- Students in the elementary school = 856

- Step 3: Subtract the number of students in the elementary school from the number of students in the high school.
- Difference = Students in the high school - Students in the elementary school
- Difference = 909 - 856

- Step 4: Perform the subtraction.
- 909 - 856 = 53

- Answer: The difference in the number of students at each school is 53 students.

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Final Answers:

1. 296 ears of corn
2. 372 miles
3. 372 pennies
4. 162 dollars
5. 53 students

Boxed Final Answer:
\[
\boxed{296, 372, 372, 162, 53}
\]