Three-Digit Addition Math Quiz

1) What is 724 + 268?

982

992

1,002

1,012

For 724 + 268, ones: 4 + 8 = 12. Tens: 2 + 6 + 1 = 9. Hundreds: 7 + 2 = 9. The sum is 992. This problem checks accuracy when carrying occurs only once.

Explanation

For 724 + 268, ones: 4 + 8 = 12. Tens: 2 + 6 + 1 = 9. Hundreds: 7 + 2 = 9. The sum is 992. This problem checks accuracy when carrying occurs only once.

2) What is the result of 160 + 577?

632

888

420

737

For 160 + 577, begin with ones: 0 + 7 = 7. Tens: 6 + 7 = 13, write 3 and carry 1. Hundreds: 1 + 5 + 1 = 7. Reading the digits from left to right gives 737 as the correct total.

Explanation

For 160 + 577, begin with ones: 0 + 7 = 7. Tens: 6 + 7 = 13, write 3 and carry 1. Hundreds: 1 + 5 + 1 = 7. Reading the digits from left to right gives 737 as the correct total.

3) What is 891 + 554?

1,344

1,239

1,445

1,632

To add 891 and 554, start with ones: 1 + 4 = 5. Tens: 9 + 5 = 14, write 4 and carry 1. Hundreds: 8 + 5 + 1 = 14. The complete sum is 1,445. Carrying correctly across columns is essential here.

Explanation

To add 891 and 554, start with ones: 1 + 4 = 5. Tens: 9 + 5 = 14, write 4 and carry 1. Hundreds: 8 + 5 + 1 = 14. The complete sum is 1,445. Carrying correctly across columns is essential here.

4) What is the sum of 456 and 389?

835

845

855

865

Adding 456 and 389 starts with ones: 6 + 9 = 15. Tens: 5 + 8 + 1 = 14. Hundreds: 4 + 3 + 1 = 8. The final result becomes 845. This requires careful tracking of carries across all columns.

Explanation

Adding 456 and 389 starts with ones: 6 + 9 = 15. Tens: 5 + 8 + 1 = 14. Hundreds: 4 + 3 + 1 = 8. The final result becomes 845. This requires careful tracking of carries across all columns.

5) What is the sum of 969 and 641?

1,250

1,520

1,315

1,610

To calculate 969 + 641, add the ones column first: 9 + 1 = 10, write 0 and carry 1. Add tens: 6 + 4 + 1 = 11, write 1 and carry 1. Add hundreds: 9 + 6 + 1 = 16. Combining all digits gives 1,610. Correct alignment and carrying ensure accuracy.

Explanation

To calculate 969 + 641, add the ones column first: 9 + 1 = 10, write 0 and carry 1. Add tens: 6 + 4 + 1 = 11, write 1 and carry 1. Add hundreds: 9 + 6 + 1 = 16. Combining all digits gives 1,610. Correct alignment and carrying ensure accuracy.

6) What is 745 + 389?

$1,034

$1,124

$1,058

$1,134

For 745 + 389, add ones: 5 + 9 = 14, write 4 and carry 1. Tens: 4 + 8 + 1 = 13, write 3 and carry 1. Hundreds: 7 + 3 + 1 = 11. The final sum is 1,134.

Explanation

For 745 + 389, add ones: 5 + 9 = 14, write 4 and carry 1. Tens: 4 + 8 + 1 = 13, write 3 and carry 1. Hundreds: 7 + 3 + 1 = 11. The final sum is 1,134.

7) What is the result of 905 + 187?

1,082

1,092

1,102

1,112

Adding 905 and 187 involves ones: 5 + 7 = 12. Tens: 0 + 8 + 1 = 9. Hundreds: 9 + 1 = 10. The final total is 1,092. This question reinforces handling zero in the tens place.

Explanation

Adding 905 and 187 involves ones: 5 + 7 = 12. Tens: 0 + 8 + 1 = 9. Hundreds: 9 + 1 = 10. The final total is 1,092. This question reinforces handling zero in the tens place.

8) Add 639 and 461. What is the total?

$1,090

$1,100

$1,110

$1,120

To compute 639 + 461, ones: 9 + 1 = 10. Tens: 3 + 6 + 1 = 10. Hundreds: 6 + 4 + 1 = 11. The final answer is 1,100, showing repeated carrying across all columns.

Explanation

To compute 639 + 461, ones: 9 + 1 = 10. Tens: 3 + 6 + 1 = 10. Hundreds: 6 + 4 + 1 = 11. The final answer is 1,100, showing repeated carrying across all columns.

9) What is 623 + 478?

1,081

1,091

1,101

1,071

In 623 + 478, add ones: 3 + 8 = 11, write 1 and carry 1. Tens: 2 + 7 + 1 = 10, write 0 and carry 1. Hundreds: 6 + 4 + 1 = 11. The final answer is 1,101.

Explanation

In 623 + 478, add ones: 3 + 8 = 11, write 1 and carry 1. Tens: 2 + 7 + 1 = 10, write 0 and carry 1. Hundreds: 6 + 4 + 1 = 11. The final answer is 1,101.

10) Add 1,235 and 789. What is the result?

1,994

2,004

2,024

1,984

To find 1,235 + 789, add ones: 5 + 9 = 14. Tens: 3 + 8 + 1 = 12. Hundreds: 2 + 7 + 1 = 10. Thousands: 1 + 0 + 1 = 2. The final sum is 2,024 after multiple carries.

Explanation

To find 1,235 + 789, add ones: 5 + 9 = 14. Tens: 3 + 8 + 1 = 12. Hundreds: 2 + 7 + 1 = 10. Thousands: 1 + 0 + 1 = 2. The final sum is 2,024 after multiple carries.

11) What is the sum of 992 and 284?

1,156

1,342

1,276

1,033

Adding 992 and 284 starts with ones: 2 + 4 = 6. Tens: 9 + 8 = 17, write 7 and carry 1. Hundreds: 9 + 2 + 1 = 12. The final result becomes 1,276. This problem tests careful handling of carrying across multiple columns.

Explanation

Adding 992 and 284 starts with ones: 2 + 4 = 6. Tens: 9 + 8 = 17, write 7 and carry 1. Hundreds: 9 + 2 + 1 = 12. The final result becomes 1,276. This problem tests careful handling of carrying across multiple columns.

12) What is the result of 558 + 201?

879

658

432

759

Adding 558 and 201 is straightforward. Ones: 8 + 1 = 9. Tens: 5 + 0 = 5. Hundreds: 5 + 2 = 7. No carrying is required. Reading the digits together gives 759, making this a good example of clean column addition.

Explanation

Adding 558 and 201 is straightforward. Ones: 8 + 1 = 9. Tens: 5 + 0 = 5. Hundreds: 5 + 2 = 7. No carrying is required. Reading the digits together gives 759, making this a good example of clean column addition.

13) What is the total of 812 and 219?

1,021

1,011

1,031

1,041

Adding 812 and 219 begins with ones: 2 + 9 = 11, write 1 and carry 1. Tens: 1 + 1 + 1 = 3. Hundreds: 8 + 2 = 10. Combining the results gives 1,031. This question reinforces carrying twice.

Explanation

Adding 812 and 219 begins with ones: 2 + 9 = 11, write 1 and carry 1. Tens: 1 + 1 + 1 = 3. Hundreds: 8 + 2 = 10. Combining the results gives 1,031. This question reinforces carrying twice.

14) What is 678 + 432?

1,000

1,090

1,110

1,120

For 678 + 432, ones: 8 + 2 = 10. Tens: 7 + 3 + 1 = 11. Hundreds: 6 + 4 + 1 = 11. Combining all digits results in 1,110. This example clearly shows how carrying affects each column.

Explanation

For 678 + 432, ones: 8 + 2 = 10. Tens: 7 + 3 + 1 = 11. Hundreds: 6 + 4 + 1 = 11. Combining all digits results in 1,110. This example clearly shows how carrying affects each column.

15) What is 583 + 417?

$980

$990

$1,000

$1,010

Adding 583 and 417, ones: 3 + 7 = 10. Tens: 8 + 1 + 1 = 10. Hundreds: 5 + 4 + 1 = 10. Reading the result gives 1,000. This example demonstrates perfect balance across all place values.

Explanation

Adding 583 and 417, ones: 3 + 7 = 10. Tens: 8 + 1 + 1 = 10. Hundreds: 5 + 4 + 1 = 10. Reading the result gives 1,000. This example demonstrates perfect balance across all place values.