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Addition Within 10000

Grade 4 · Mathematics · Worksheet 3

  1. 3,456 + 1,789 = ? Answer: ______________
  2. Olivia collects stamps. Olivia has 4378 stamps from the United States and 383 stamps from other countries. How many stamps does Olivia have in total? Answer: ______________
  3. Mia collects stamps. Mia has 3265 stamps from the United States and 5128 stamps from other countries. How many stamps does Mia have in total? Answer: ______________
  4. 3,728 + 4,195 = ? Answer: ______________
  5. 3,784 + 2,516 = ? Answer: ______________
  6. Ben is training for a charity walk. In the first week, Ben walked 2085 meters. In the second week, Ben walked 1540 meters. In the third week, Ben walked 2885 meters. What is the total distance Ben walked over the three weeks? Answer: ______________
  7. Oliver is training for a charity walk. In the first week, Oliver walked 1810 meters. In the second week, Oliver walked 1866 meters. In the third week, Oliver walked 2336 meters. What is the total distance Oliver walked over the three weeks? Answer: ______________
  8. 3,456 + 2,789 = ? Answer: ______________
  9. The school library is organizing books for a special display. They have 1,245 science books and 2,387 history books. How many books do they have in total for the display? Answer: ______________
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Answer Key & Explanations

Addition Within 10000 · Grade 4 · Worksheet 3

  1. 3,456 + 1,789 = ? Answer: 5245 Solution: Write the numbers vertically, aligning the digits by place value. Add the ones column: 6 + 9 = 15. Write down the 5 and carry over the 1 to the tens column.
    Full step-by-step solution

    Step 1: Write the numbers vertically, aligning the digits by place value. Step 2: Add the ones column: 6 + 9 = 15. Write down the 5 and carry over the 1 to the tens column. Step 3: Add the tens column: 5 + 8 + 1 (carried over) = 14. Write down the 4 and carry over the 1 to the hundreds column. Step 4: Add the hundreds column: 4 + 7 + 1 (carried over) = 12. Write down the 2 and carry over the 1 to the thousands column. Step 5: Add the thousands column: 3 + 1 + 1 (carried over) = 5. Write down the 5. Step 6: The final sum is 5,245. The answer is 5245.

  2. Olivia collects stamps. Olivia has 4378 stamps from the United States and 383 stamps from other countries. How many stamps does Olivia have in total? Answer: 4761 Solution: Stamps from the United States: 4378. Stamps from other countries: 383. Add them: 4378 + 383 = 4761.
    Full step-by-step solution

    Step 1: Stamps from the United States: 4378. Step 2: Stamps from other countries: 383. Step 3: Add them: 4378 + 383 = 4761. Olivia has 4761 stamps in total.

  3. Mia collects stamps. Mia has 3265 stamps from the United States and 5128 stamps from other countries. How many stamps does Mia have in total? Answer: 8393 Solution: Stamps from the United States: 3265. Stamps from other countries: 5128. Add them: 3265 + 5128 = 8393.
    Full step-by-step solution

    Step 1: Stamps from the United States: 3265. Step 2: Stamps from other countries: 5128. Step 3: Add them: 3265 + 5128 = 8393. Mia has 8393 stamps in total.

  4. 3,728 + 4,195 = ? Answer: 7923 Solution: Write the numbers vertically, aligning by place value: 3,728 + 4,195 Add the ones column: 8 + 5 = 13. Write down 3 and carry over 1 to the tens column. Add the tens column: 2 + 9 + 1 (carry) = 12.
    Full step-by-step solution

    Step 1: Write the numbers vertically, aligning by place value: 3,728 + 4,195 Step 2: Add the ones column: 8 + 5 = 13. Write down 3 and carry over 1 to the tens column. Step 3: Add the tens column: 2 + 9 + 1 (carry) = 12. Write down 2 and carry over 1 to the hundreds column. Step 4: Add the hundreds column: 7 + 1 + 1 (carry) = 9. Write down 9. Step 5: Add the thousands column: 3 + 4 = 7. Write down 7. Step 6: The final answer is 7,923.

  5. 3,784 + 2,516 = ? Answer: 6300 Solution: Write the numbers vertically, aligning by place value: 3,784 + 2,516 Add the ones place: 4 + 6 = 10. Write 0 in the ones place and carry over 1 to the tens place. Add the tens place: 8 + 1 + 1 (carried over) = 10.
    Full step-by-step solution

    Step 1: Write the numbers vertically, aligning by place value: 3,784 + 2,516 Step 2: Add the ones place: 4 + 6 = 10. Write 0 in the ones place and carry over 1 to the tens place. Step 3: Add the tens place: 8 + 1 + 1 (carried over) = 10. Write 0 in the tens place and carry over 1 to the hundreds place. Step 4: Add the hundreds place: 7 + 5 + 1 (carried over) = 13. Write 3 in the hundreds place and carry over 1 to the thousands place. Step 5: Add the thousands place: 3 + 2 + 1 (carried over) = 6. Write 6 in the thousands place. Step 6: The final answer is 6,300.

  6. Ben is training for a charity walk. In the first week, Ben walked 2085 meters. In the second week, Ben walked 1540 meters. In the third week, Ben walked 2885 meters. What is the total distance Ben walked over the three weeks? Answer: 6510 Solution: Distance walked in week 1: 2085 meters. Distance walked in week 2: 1540 meters. Distance walked in week 3: 2885 meters.
    Full step-by-step solution

    Step 1: Distance walked in week 1: 2085 meters. Step 2: Distance walked in week 2: 1540 meters. Step 3: Distance walked in week 3: 2885 meters. Step 4: Add all distances: 2085 + 1540 + 2885 = 6510. Ben walked a total of 6510 meters.

  7. Oliver is training for a charity walk. In the first week, Oliver walked 1810 meters. In the second week, Oliver walked 1866 meters. In the third week, Oliver walked 2336 meters. What is the total distance Oliver walked over the three weeks? Answer: 6012 Solution: Distance walked in week 1: 1810 meters. Distance walked in week 2: 1866 meters. Distance walked in week 3: 2336 meters.
    Full step-by-step solution

    Step 1: Distance walked in week 1: 1810 meters. Step 2: Distance walked in week 2: 1866 meters. Step 3: Distance walked in week 3: 2336 meters. Step 4: Add all distances: 1810 + 1866 + 2336 = 6012. Oliver walked a total of 6012 meters.

  8. 3,456 + 2,789 = ? Answer: 6245 Solution: Add the ones column: 6 + 9 = 15. Write down 5 and carry over 1 to the tens column. Add the tens column: 5 + 8 + 1 (carried over) = 14.
    Full step-by-step solution

    Step 1: Add the ones column: 6 + 9 = 15. Write down 5 and carry over 1 to the tens column. Step 2: Add the tens column: 5 + 8 + 1 (carried over) = 14. Write down 4 and carry over 1 to the hundreds column. Step 3: Add the hundreds column: 4 + 7 + 1 (carried over) = 12. Write down 2 and carry over 1 to the thousands column. Step 4: Add the thousands column: 3 + 2 + 1 (carried over) = 6. Write down 6. Step 5: The final answer is 6,245. The answer is 6245.

  9. The school library is organizing books for a special display. They have 1,245 science books and 2,387 history books. How many books do they have in total for the display? Answer: 3632 Solution: Write the numbers vertically, aligning by place value: 1,245 + 2,387 Add the ones place: 5 + 7 = 12. Write down 2 and carry over 1 to the tens place. Add the tens place: 4 + 8 + 1 (carried over) = 13.
    Full step-by-step solution

    Step 1: Write the numbers vertically, aligning by place value: 1,245 + 2,387 Step 2: Add the ones place: 5 + 7 = 12. Write down 2 and carry over 1 to the tens place. Step 3: Add the tens place: 4 + 8 + 1 (carried over) = 13. Write down 3 and carry over 1 to the hundreds place. Step 4: Add the hundreds place: 2 + 3 + 1 (carried over) = 6. Write down 6. Step 5: Add the thousands place: 1 + 2 = 3. Write down 3. Step 6: The total is 3,632 books. The answer is 3632.