What is the sum of the digits in the number 6789?

Study for the TABE Math Test. Practice with flashcards and multiple-choice questions, each question offers hints and explanations. Get ready for your exam!

Multiple Choice

What is the sum of the digits in the number 6789?

Explanation:
Adding the digits of a number means summing each separate digit. For 6789, you combine 6, 7, 8, and 9. A straightforward way is 6 + 7 = 13, then 13 + 8 = 21, and 21 + 9 = 30. A quick way is to pair 6 with 9 to get 15 and 7 with 8 to get 15, then 15 + 15 = 30. The total of the digits is 30. The other listed numbers aren’t the result of adding these four digits correctly; they would come from miscounting or omitting a digit.

Adding the digits of a number means summing each separate digit. For 6789, you combine 6, 7, 8, and 9. A straightforward way is 6 + 7 = 13, then 13 + 8 = 21, and 21 + 9 = 30. A quick way is to pair 6 with 9 to get 15 and 7 with 8 to get 15, then 15 + 15 = 30. The total of the digits is 30. The other listed numbers aren’t the result of adding these four digits correctly; they would come from miscounting or omitting a digit.

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